Sado is a teenager of Mexican descent. He is dark-skinned with pronounced cheek-bones and has wavy brown hair with bangs that generally hangs over his brown eyes. He is a muscular and extremely tall man and appears to be much older than he actually is. Sado has a tattoo on his left shoulder which reads Amore e Morte ("love and death" in Italian) and consists of a heart with a snake and angel wings around it. He typically wears either his school uniform or flashy short-sleeved shirts with open collars. He also wears a dark, long-sleeved shirt with a rose emblazoned on the left sleeve. Seventeen months after Aizen's defeat, Sado has grown a small goatee on his chin.
Sado is a quiet person and is sometimes the subject of jokes or bullies because he never fights back. Nonetheless, he is treated equally within his group of friends in Karakura. Sado also has a soft spot for cute things, like small animals and Kon's plushie form. Sado is very intelligent: he ranked 11th out of 322 students in Karakura High School. Sado has a very loyal personality. He is quite loyal to his friends, especially Ichigo, who is one of his closest friends, even going as far as to try and defeat a Gotei 13 captain to go help him. He is also fearless and told so by numerous enemies such as the first Hollow he fights. He displays little emotion except when something he cares about is in danger.
Sado's favorite food is tomatoes. He also likes music, but rarely watches TV. He only likes two shows, one of which is Carnivore Kingdom, which starts at 8 a.m. on Sundays. He likes it so much that he bought the DVDs for it. As Kon is a cheap knock-off plushie of the main character of Carnivore Kingdom, Sado finds Kon especially cute. The other show he likes is Don Kanonji's Ghost Bust. Sado also has a bass guitar.
Sado was born in Okinawa, Japan, but was taken to Mexico by his parents at a young age. After their deaths, Sado was adopted at the age of eight by Oscar Joaquín de la Rosa, a man believed to be his grandfather since Sado calls him Abuelo ("Grandfather" in Spanish).
During his early years, Sado was extremely violent; exploiting his advantage in size, he intimidated and hit any other children who annoyed him. Oscar Joaquín tried to teach Sado to be gentle, but was initially unsuccessful. One day, the fathers of the children Sado fought, seeking to punish him, attacked Sado. Oscar Joaquín stepped in between them, taking Sado's punishment without retaliation. Sado was inspired by this example to become a decent person. To commemorate this event, Oscar Joaquín gave Sado an old Mexican coin; years later, when Oscar Joaquín had died, Sado made a vow that he would never fight unless it was to protect others, as instructed — even if his own life was in danger. The coin would come to symbolize this vow, which Sado now claims to hold more value than his own life.
Some time after De la Rosa died, Chad moved back to Japan and entered Mashiba Junior High School at Karakura Town. In the 8th grade, he helped Ichigo when the latter was attacked by thugs. Chad was later attacked by two of Yokochini's gang members and, keeping with his vow, did not strike back or defend himself. Ichigo intervened and saved him and later learned from Chad a little about his past, the meaning of the coin and the vow he made. However, as the gang members fled they left a cell phone with an ongoing call to Yokochini, allowing him to spy on Chad and learn what might get a rise out of him. Yokochini later had Chad abducted and threatened him with the destruction of the coin. Ichigo stuck his neck out again, this time to protect not only Chad, but also the coin he held so dear. When the gang was defeated, Chad and Ichigo made a pact to fight for each other and protect one another.
Because they were constantly involved with fights and brawls with thugs and delinquents, both Ichigo and Chad gained the reputation of hardened thugs themselves. Their reputation far exceeded that of violent youths as they were made up to be juvenile gangsters of sorts. On their first day of high school, Chad and Ichigo were forced into pushing back a gang of thugs led by Reiichi Ōshima, who was hell bent on proving his bravado by beating up such a menacing duo. When Mizuiro Kojima befriended them, Reiichi started bullying Keigo Asano, forcing the two to help him and beat up Reiichi.
Agent of the Shinigami arc
Sado is offered a cockatiel by his friends, but he's told that it's a cursed cockatiel whose previous owners have all died horrible deaths. Just as he takes it, a girder falls on the group and it falls on top of Sado's back. The bird suddenly begins talking as if it understands the situation, so Sado begins conversing with it. Later as Ichigo Kurosaki is about to get into a fight with Reiichi Ōshima, Sado intervenes and pushes Reiichi away. Sado's friends notice his injuries and Sado explains what happened to him. Sado then shows the group his new cockatiel, but he doesn't explain where he got it from.
Later, an injured Sado arrives at the Kurosaki Clinic along with his cockatiel. However, Sado claims that he's fine and tries to leave, but he ends up collapsing on the ground before getting anywhere, and he begins resting in bed. Sado then leaves the hospital without telling anyone. He reappears in an abandoned warehouse with his cockatiel, but they're suddenly attacked by something and Sado begins running away with his bird, while telling the bird that he'll save his mother. As soon as he comes outside, Sado notices Rukia Kuchiki and Ichigo and he begins running from them.
He stops running though when he notices that Rukia is in trouble and he goes back to help. He immediately punches the invisible threat, named Shrieker, surprising Rukia. Rukia then warns Sado that Shrieker is flying, but Sado doesn't see it as a problem as he picks up a telephone poll and uses it to slam Shrieker into the ground. Sado and Rukia are suddenly forced into the ground by Shrieker's "artillery", but Sado simply uses his brute strength to get them off. Sado then helps out Rukia just as Shrieker flies into the air again. However, Sado launches Rukia into the air, but she's stopped by Shrieker's miniature bombs. Shrieker then brings out Sado's cockatiel and threatens to kill the bird if Sado moves, so Rukia is forced to fight alone. Later, Sado notices that Ichigo's body is on the ground, but Rukia explains that Ichigo is in the middle of a battle and she tells him to take his body and the cockatiel away. After the battle is over and it's revealed that the cockatiel is actually a kid, the cockatiel thanks Sado for everything, and just before he is sent to Soul Society Sado tells him that if they meet in Soul Society he'll carry him around one more time.
During school, Sado shows his friends his cockatiel again, but they notice that it has a smaller vocabulary. Sado simply claims that the bird was like this when he woke up. Later, Sado goes with his friends to Don Kanonji's show. While there Sado hears a strange voice, but Keigo Asano tells him that it's just his imagination. As the show goes on, Ichigo gets captured by security and Sado tries to help him, but Keigo stops him. After Don Kanonji's show, Sado and the rest of his classmates that were at the show are yelled at by Kagine for causing such a ruckus at the show. Rukia distracts Kagine, allowing Sado and the others escape through a window.
Later Sado gets attacked by a Hollow named Bulbous G, and he runs away to lead the Hollow away from the area. Unfortunately, he ends up running into Karin Kurosaki, Ichigo's sister, and this forces Sado to protect her. Sado, being unable to see the Hollow, decides to have Karin help him by having her be his eyes. As the battle goes on Sado recalls that his fists are meant for protecting, and this causes armor to form around his right arm and allows him to gain the advantage. Sado, now being able to see the Hollow, kills his enemy immediately with his new-found power. Sado then collapses onto the ground and wonders why he gained this power, but decides it doesn't matter and is simply glad Ichigo's sister didn't get hurt.
Sado later appears with Orihime Inoue at the Urahara Shop, and Kisuke Urahara prepares to explain how they got their new-found powers. Urahara explains about Hollows and Shinigami, but Sado and Orihime have a difficult time believing him. Urahara then tells them that Ichigo's large amount of reiatsu leaked onto them and that caused them to gain their powers, and that these powers are what they naturally had to begin with. Urahara then states that it's up to them if they want to continue down this path with their powers, and decides to show them the enemies that they'll have to face in the future. Sado and Orihime then watch from a distance Ichigo and Uryū Ishida battling a Menos Grande. This causes the two of them to wonder what choice they should make.
After Rukia is taken back to Soul Society to be executed, a cat named Yoruichi Shihōin goes up to Orihime and Sado and offers to train the two of them so they can rescue her. Sado and Orihime then go up to Uryū and ask him if he'll train with them as well, but he declines. The two then begin training and try to bring out their new powers again. After successfully doing this, the two leave and prepare to go to Soul Society. On the day they decide to leave for Soul Society, Sado, Ichigo, Orihime, and Uryū arrive at the Urahara Shop. After Urahara explains how to get into Soul Society, Yoruichi leads the group into the Dangai, and they're told to run as fast as they can. Sado and the others are soon chased by the Kōtotsu, so Orihime uses her shield to protect them from the Kōtotsu and the group is propelled through the exit and into Soul Society.
Soul Society arc
After arriving in Soul Society, the group is immediately met by opposition as Jidanbō Ikkanzaka blocks the gate into Seireitei. Ichigo is able to defeat him, but the group is still stopped from entering Seireitei when Captain Gin Ichimaru arrives and closes the gate on them. The people of Rukongai suddenly come out and one of them is revealed to be Shibata, Sado's cockatiel from before. Sado carries him around like he promised to do, and he's told that Shibata has yet to find his mother, so Sado encourages him to keep looking. The group then tries to figure out a new way into Seireitei, so Yoruichi brings them to Kūkaku Shiba, whose fireworks specialty helps launch Sado and the others into the Seireitei through a spirit cannon. While successfully entering, the group becomes separated from each other. 
In Seireitei, Shinigami begin looking for Sado, who is hiding nearby. Sado then finds some Shinigami from the 11th Division and goes to fight them. Later, Sado wakes up in an abandoned warehouse after having a dream of when he first met Ichigo, and he hears some Shinigami coming for him, causing him to prepare for battle. Sado then forces information out of some Shinigami on where Rukia is being held and heads to her location. On the way there, he is confronted by the third seat of the 8th Division, Tatsufusa Enjōji, but he easily defeats him with a single punch. Sado is then confronted by Shunsui Kyōraku, captain of the 8th Division.
Sado and Shunsui talk for a bit and try to avoid battling each other, but they soon realize that they must battle and the two begin their fight. Shunsui quickly overwhelms Sado with his quick reflexes and Shunsui wonders why Sado came to Soul Society, and Sado tells him that it was because Ichigo wants to save Rukia and that's good enough for him. This causes Shunsui to draw his dual Zanpakutō, and Sado charges in for one final attack.  However, Shunsui stabs Sado across his stomach and easily defeats him. Shunsui then decides to put Sado into the detention center.
While in jail, Sado is reunited with Uryū and Ganju Shiba, and Sado states that they must wait for Ichigo to rescue them.  Later, Captain Kenpachi Zaraki arrives with Orihime to rescue Sado and the others. After escaping, Sado and the others continue through Seireitei, but they run into difficulties when they're confronted by two captains and two lieutenants.  Kenpachi decides to fight them all alone, so Sado and the others continue on. As they run, the group notices the execution for Rukia finally beginning. Sado and the others finally arrive at Rukia's execution site, Sōkyoku Hill, and are informed by Yachiru Kusajishi that Rukia has already escaped and that Ichigo is currently fighting.
After Ichigo's battle is over, Sado and the others run up and tend to him. Later, Sado and everyone else in Seireitei, through the use of Kidō, are informed that Sōsuke Aizen is the one behind all the conspiracies going on, and they realize that Aizen is going to kill Rukia.  A week after Aizen's betrayal, Uryū makes clothes for Sado and Orihime that resemble the ones they had when they first entered Soul Society. Sado and the others then leave Soul Society and go back to the Human World. Upon arriving in the Human World, Sado is brought back to his home by Kisuke Urahara.
Bount arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.
Click "show" to read the arc plot.
Sado returns to his everyday life and goes back to school. After school, he talks with Orihime about their time in Soul Society and that they'll have to get stronger in order to be useful to Ichigo. Later, Sado and the others find Orihime at her house being kidnapped. It turns out a little girl is behind the kidnapping and she gives them several tests to complete. After completing these tests, the group finds Orihime back at her house. However, it ends up being a trap and Sado is captured by the enemy. Later, Sado is used as part of the final test for Ichigo and the others to complete, but it turns out that everything was Urahara's idea to test the group and that Sado knew about it once he was captured. Yoruichi suddenly appears and informs the group of a new threat called the Bount.
At the Urahara Shop, Sado is given the Mod-Soul, Noba, to help him in finding the Bount. After putting the mod-soul in a stuffed animal, Sado searches for a Bount with Orihime, Kurōdo, and Noba. They end up finding a killed Human and a Bount named Ryō Utagawa, but he immediately leaves the area. Sado and the others find Rukia with Ichigo and they reunite with her. Later during school, the Mod-Souls sense a Bount in the area and they head towards the trace of it. Sado and the others find Ryō and they begin fighting with him. However, the battle is interrupted by another Bount named Yoshino Sōma and she takes Uryū away. The group later hears that Uryū is in the hospital, so Sado and the others go to where he is and they talk with him.
During the stay at the hospital, the group is eventually attacked by two young Bount named Hō and Ban. The group is able to fight them off for a bit and they are able to escape outside. Eventually, the group is able to take care of the two young Bount with the sudden arrival of Ganju. Immediately after the battle, Sado and the others find that Uryū is missing again, so they look for Uryū. After figuring out the Bount live at a mansion they head over to said mansion. After Uryū is rescued from the mansion, Sado and the others head back to the Urahara Shop. Later, the group decides to look for the Bount and Sado is paired up with Noba to search for them. As they look, Ururu appears to them, but as this happens they are confronted by the Bount Sawatari.
Rangiku Matsumoto appears to help out the group as well and they all start fighting Sawatari. Sado and the others have difficulty against Sawatari's Doll and they soon create an opportunity to escape. As they wonder what to do, Sawatari reappears and has his Doll attack Sado, but Sado is pushed out of the way by Ururu, who ends up taking his blow and is eaten. The group escapes again and they come up with a plan to save Ururu. However, the plan is unsuccessful. After running away again the group then comes up with a successful plan that ends with Sado punching Baura in the stomach, causing him to throw up everything it has eaten, including Ururu. However, Sawatari still survives and he escapes with his doll, leaving the battle undecided. After resting at the Urahara Shop, Sado and the others head to the Bount Cave to confront the Bount. They head into the cave, but they are soon attacked by Ugaki's Doll Gesell. After battling it and being saved by Rangiku, Ichigo tells Sado to protect Orihime as she heals Rukia and Rangiku.
Sado reappears with Uryū and the others at the location of the Bount inside the cave. However, the Bount end up leaving to Soul Society with the help of Uryū's powers, so Sado and the others head to Soul Society to stop the Bount. Upon arriving in Soul Society, the group heads to Kūkaku Shiba's house. After talking with her, Sado splits up with everyone to look for the Bount again. After Rukia is attacked by the Bount, Sado heads back to the Shiba Household and Ganju appears. Sado and the others ride on his boars to head to Kusajishi due to rumors of the Bount being there. In a forest, Ganju introduces the Kusajishi Bulls to Sado and Orihime, and after talking with them for a bit Sado and the others leave for Seireitei and on the way there Sado reunites with everyone, but they are soon blocked by Maki Ichinose. However, the arrival Kenpachi allows Sado and the others to head onto Seireitei.
Upon arriving at Seireitei they find it already being attacked by the Bount, and Sado splits up with Noba to look for the Bount. Sado later reunites with Ichigo and the two of them head after Jin Kariya. The two find Kariya and fight him, but Sado is quickly pushed aside by Kariya. Sado then watches on as Kariya combines with the Jōkaishō and declares his plans. Sado and Ichigo later find an injured Uryū and they decide to help heal him. They head to the 10th Division barracks and Orihime arrives and begins healing Uryū. As Ichigo and Kariya are having their final fight, Sado and the others decide to head towards Ichigo's location to help him out. Upon arriving, Rukia stops them from helping out since this is Ichigo's fight. After the battle concludes and Kariya is defeated, Sado and the others run up to Ichigo and congratulate him. Sado then heads back to Karakura Town along with everyone else.
After returning from Soul Society, Sado's life goes back to normal and he returns to school. During school, Ichigo's Substitute Shinigami Badge goes off, signifying that a Hollow is in the area, prompting Sado to leave with Orihime and Ichigo to defeat it. After the Hollow is easily defeated by Ichigo he tells Sado and Orihime that they didn't need to come and help. Later, Sado is in class again and after Ichigo leaves again, he tells the new transfer student named Shinji Hirako that this is how Ichigo always is.
Sado and Orihime later interrupt a fight between Shinji and a girl named Hiyori Sarugaki and they ask them what they want with Ichigo. However, after Hiyori threatens to kill them Shinji takes Hiyori away from the area and Orihime tries to go after them but Sado stops her, explaining that they'll just get killed. Sado and Orihime later sense an enormous spiritual pressure around the area. They run to where it's coming from and after seeing several people dead on the ground, Sado tells Orihime that he needs her healing. Later, Sado saves Tatsuki Arisawa from an Arrancar named Yammy Llargo. Sado tells Orihime to run away with Tatsuki, but Yammy attacks Sado and knocks him out.
Later, Sado is looking out of a window and healing from his injuries. He later gets up and leaves, but is confronted by the Arrancar Di Roy Rinker, but Ichigo appears and saves him. Sado reluctantly runs away after Ichigo tells him to and Sado thinks to himself that he'll never be able to help Ichigo anymore. Sado then goes to the Urahara Shop and begs Kisuke Urahara to train him, so Urahara has Sado train against Renji Abarai while he uses his Bankai. Later as Sado continues training, Urahara tells Orihime that he won't allow her to fight in the upcoming battles, so Sado begins arguing with Urahara since Orihime is his comrade. However Orihime tells Sado that she's fine with not fighting and leaves.
When Espada-level Arrancar attack Karakura Town, Sado tries to go and fight, but Urahara decides that he'll go himself. Later when Orihime is kidnapped by Aizen and taken to Hueco Mundo, Sado and Uryū decide to head to Hueco Mundo with Ichigo to save her, and Sado demonstrates how powerful he has gotten to Ichigo. Urahara then opens up a Garganta and the three of them enter and head to Hueco Mundo.
Hueco Mundo arc
After going through the Garganta, the group arrives in a building and a mysterious enemy immediately confronts the group. The group runs away and they eventually reach a much wider room, but are immediately surround by Aisslinger Wernarr and Demoura Zodd. Sado begins fighting Aisslinger, but struggles against his opponent, so he switches opponents with Uryū and begins battling Demoura. Sado quickly overwhelms his opponent and then prepares to use El Directo against Demoura. Upon using the attack Demoura is killed, but the room suddenly begins to collapse in on itself and the group quickly escapes. Sado and the others get outside and they appear in a vast desert-like area. They then notice Las Noches in the distance, and believing Orihime is there, they begin heading towards it.
The group then rests a bit, but they soon see a girl running from some Hollows and they go to save her. The group then saves the girl, but it turns out that she was really a Hollow that was playing with her friends. After she introduces herself as Nel Tu, Sado and the others ride her pet Bawabawa to Las Noches, but they're quickly confronted by a Hollow named Runuganga. Before the Hollow can kill them though Rukia and Renji appear and kill the Hollow. Everyone then heads to Las Noches and upon reaching the palace they break through one of the walls. They then eventually reach a room that splits off into five paths and the group decides to separate from each other.
Sado reaches a room and is confronted by a Privaron Espada named Gantenbainne Mosqueda. Sado is quickly overwhelmed by his opponent, but after being hit by a barrage of attacks Sado's armored arm changes into a new form that he calls Brazo Derecha de Gigante Sado states that his powers have gotten stronger in Hueco Mundo because his powers are more Hollow like than anything else. Sado then quickly overwhelms his opponent, forcing Gantenbainne into activating his Resurrección. Gantenbainne sends a powerful attack towards his opponent, but Sado is uninjured and Sado tells Gantenbainne that his right arms power is for defending, while his left arms power is for attacking, and his left arm takes on a new form that he calls Brazo Izquierda del Diablo.
Sado uses La Muerte and defeats Gantenbainne, but spares him and says that because of Gantenbainne he can now fight stronger enemies. However, he is immediately confronted by the Espada Nnoitra Gilga and is attacked. Sado then falls to the ground defeated and is mocked by his opponent. Sado gets back up though and charges towards Nnoitra, but his blow is blocked by Tesra Lindocruz and Sado falls down unconscious. Sado is later healed by Unohana Retsu. Sado then goes with Renji and Rukia and fights against the Exequias so Ichigo can pass through and save Orihime.
The New Captain Shūsuke Amagai arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.
Click "show" to read the arc plot.
As Ichigo fights several Hollows Sado appears alongside Uryū and Orihime and they help defeat the Hollows. Later, assassins are sent into the Human World to kill Rurichiyo Kasumiōji, and Sado is attacked by one of these assassins. Sado easily fends him off though with his armored arm. After this failed attempt, stronger assassins are sent into the Human World and Sado is confronted by the assassin Genga.
Sado leads Genga outside of Karakura Town and he tries to convince Genga that they don't have to fight, but the assassin doesn't listen. Sado is initially overpowered by Genga's Bakkōtō, but after using the true form of his armored arm he is able to fight on even-ground with him. However, Genga fuses with the walls formed from his Bakkōtō and attacks Sado. Sado initially has trouble with Genga while he is fused to the walls, but Sado eventually uses his brute strength to pull the assassin out. After battling a bit more, Sado brings out the true power of his left arm and uses La Muerte to kill Genga, but Sado falls down unconscious in the process. Sado later rests at the Urahara Shop.
Fake Karakura Town arc
Sado and Renji fight several Hollows together but the Hollows are endless. Later, the Hollow Battikaroa emerges and gives Sado and Renji a hard time with his Cero and instant regeneration. Though Sado constantly annoys Renji with his quiet nature, in the end, the two finally learn how to work together and kill Battikaroa by Sado using his La Muerte to distract the Hollow and Renji finishing him off for good with his Bankai.
Sado and the others are then confronted by Yammy Llargo and prepare to fight, but are interrupted by Ichigo's immense reiatsu coming from above the dome. After the reiatsu disappears, the group decides that since they have fought stronger Espada before they shouldn't be worried in facing the weakest of them. However, Yammy goes into his Resurrección causing his Espada tattoo to turn into #0 and he reveals that he's actually the strongest Espada, and he attacks Sado and the others. However, Sado knocked out by Yammy.
Sometime after Aizen is sealed away by Urahara, Sado arrives along with Uryū, Orihime, Rukia, and Renji to the Soul Society. Sado's left arm and head are bandaged as the group greets Ichigo. When Ichigo suddenly collapses, Sado, Uryū, Renji, Rukia, and Orihime run toward him and find him screaming. Later, Sado along with Orihime, Uryū, and Rukia, are by Ichigo's bedside as he wakes up. Rukia explains he's been unconscious for a month and details the loss of his Shinigami powers. Sado along with the rest of the group is present to see Ichigo's farewell to Rukia as she fades from Ichigo's sight once his spiritual energy disappears.
Zanpakutō Unknown Tales arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.
Click "show" to read the arc plot.
When Rukia Kuchiki's Zanpakutō Sode no Shirayuki materializes and attacks Ichigo in the Human World, Sado appears at the Urahara Shop with the others to discuss what is going on. Later, Muramasa arrives in Karakura Town after learning that his master was sealed there and Sado and Uryū Ishida arrive after Orihime Inoue heals him. Sado and Uryū both fight Muramasa together, but Senbonzakura interrupts the fight and separates Uryū from the battle. Muramasa subsequently invades Sado's mind and manages to subdue him. Sado later recovers to fight off Muramasa's Hollows in order for Rukia to go after Muramasa.
When Muramasa transforms into a Hollow and goes on a rampage, Sado goes to protect his friends, his armored arm barely able to repel Muramasa's attacks. When Muramasa's power rises again by drawing in more Hollows, Sado joins Uryū in destroying the Hollows. As Ichigo continues to fight Muramasa, the rogue Zanpakutō goes through another transformation; this time into a dome-like structure that engulfs Ichigo. While Sado and his friends are unsure what to do, several Shinigami arrive to help. After the Shinigami destroy the Hollows and Muramasa's dome collapses, Ichigo emerges with a defeated and dying Muramasa, who apologizes for his mistakes before fading away.
Gotei 13 Invading Army arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.
Click "show" to read the arc plot.
As Sado is out with Uryū and Orihime, Rukia and Ichigo pass overhead. Orihime asks if they need help, but they decline her offer. Uryū notes that Ichigo has not undergone any changes and Sado states that because Rukia remained in Karakura Town, Ichigo has not had to expend more reiatsu than necessary. As Inaba goes to kill Uryū, Sado crashes down with an attack, forcing Inaba back. Inaba activates his Shikai and strikes Sado before he can react, badly wounding him. Inaba goes to finish him, but Orihime blocks the attack. After Inaba is forced to retreat, Sado joins Ichigo and Uryū at a table in the Urahara shop while Orihime assesses Nozomi's condition. As Ichigo then goes to a meeting with the members of the Gotei 13, Sado helps Orihime set up a barbecue for Nozomi. After Nozomi is saved from the Reigai-Rangiku Matsumoto, he joins in at the barbecue.
Again, Sado joins Ichigo and Orihime in searching for Nozomi when she goes wandering around Karakura Town a second time. While looking, he wonders, with Orihime, if Nozomi keeps leaving because she knows of a way to rectify the current situation. After Orihime senses the Shinigami losing, she and Sado go to help as Ichigo searches for Nozomi. They are confronted by Reigai-Renji whom Sado begins to battle as Orihime goes to heal their comrades. In his battle, Sado struggles and is soon aided by the real Renji. Working together, they manage to defeat the Reigai. Sado later joins everyone at the Urahara shop as they look up the news on the events in Soul Society. After Urahara informs everyone that Ichigo's reiatsu has disappeared, Sado later questions Urahara again, but he simply repeats what he said. As Nozomi then blames herself, Kon says it will take more than that to kill Ichigo and Sado adds that it was Ichigo's idea to go so she cannot blame herself.
Sado is present when Urahara states that he still cannot detect Ichigo's reiatsu. After Urahara successfully picks up on a reading, he tells Sado and the others to accompany him. After Ichigo wakes up abruptly, Sado and the rest of his friends greet him. Later, Sado sits down alongside Urahara, who explains the reasoning behind Inaba's research into the Dangai. Sado then participates in a meeting in Ichigo's room, where he listens to Nanao Ise reporting on the situation in Soul Society. Later, Ichigo, Rukia, Uryū and Sado spar with Nozomi in order to help her to awaken her Zanpakutō. Nozomi absorbs reiatsu from their attacks and eventually succeeds releasing her Shikai.
Having succeeded in their goal, Sado goes off to join the fight. He finds Rangiku and Iba fighting the Reigai-Komamura. While Sado lands a powerful blow that launches the captain Reigai into a lake, he quickly emerges with his Bankai. Sado, Rangiku, and Iba are quickly pushed back, forcing them to regroup with the others. Sado notices that Ichigo's reiatsu is fading again, quickly tiring him, forcing Sado to back him up and draw the Reigai-Kenpachi's attention. Seeing how grim the situation is, it is decides to rely in Nozomi's new Shikai, which has the power to absorb and redirect spiritual energy into a powerful blast. They launch their attacks on Nozomi, who then directs the accumulated energy on the Reigai, defeated all except for the Reigai-Byakuya, who then counters with a blast of his own, knocking everyone except for Ichigo and Nozomi out. Yamamoto arrives and quickly defeats the last Reigai. Shortly afterwards, the Reigai of Kyōraku and Ukitake appear. As Uryū and Sado recover, they are told to take the unconscious Shinigami to Orihime so they can be healed.
After Inaba manages to capture Nozomi and destroy Ichigo's remaining reiatsu, Sado and the others are forced to regroup at Unahara's. There, it is wondered why Inaba would constantly try to destroy Ichigo whenever the chance presented itself, even using the Kōtotsu. Kisuke surmises that it was because Inaba is unable to produce a Reigai with Hollow powers. Realizing that Ichigo was indeed swallowed by the Kōtotsu, Kisuke believes they can restore Ichigo's reiatsu with his remaining reishi still inside the Kōtotsu. Sado is present when Ichigo returns with a sample of his reishi. Afterwards, Sado and the others act as diversions in the Dangai while Ichigo and Kisuke sneak into Soul Society.
Sado and the others later return to Urahara's Shop, but become worried when they don't receive any news from Kisuke and Ichigo. Sado and the others eventually decide to go to Soul Society, along with the healed Shinigami. After arriving and splitting up from the Shinigami, Sado and his friends discover Ichigo has transformed into a Hollow again and has been subdued by a strange man that bare a resemblance to Nozomi and Inaba. Sado and the others quickly engage the man, Yushima, only to be easily defeated.
After the Hollowfied Ichigo surprisingly saves Rukia from Yushima's attack and returns to normal, albeit deprived of his reiatsu again, Renji comes to and joins his friends to protect Ichigo. Sado follows Uryū's lead in setting up for his "Sprenger". While succeeding in restraining Yushima long enough to use the technique, Yushima counters with a "Hajokuri" spell to dispel the attack. Afterwards, Kon arrives and gives Ichigo a Mod-Soul pill of his reishi, restoring Ichigo's powers.
As Ichigo manages to fight evenly with Yushima, Kon convinces everyone to help Ichigo. Sado and the others launch group attacks on Yushima. Their attacks are ultimately defeated, but it give Ichigo an opening to strike Yushima hard. After a final clash, Ichigo is able to defeat Yushima. Afterwards, Sado and the others return home.
The Lost Substitute Shinigami arc
Sado is led to Xcution by Riruka Dokugamine. As she complains about having to find Sado, she begins to get annoyed at Sado for not speaking. Sado simply remarks that he is amazed that Riruka could talk for so long, and Riruka begins to get more annoyed. Sado eventually reaches Xcution, but when he gets there he immediately spots a shocked Ichigo sitting in front of him. Chad is just as surprised to see Ichigo there but does not respond to Ichigo's questions. Kūgo asks them both to sit quietly as he explains things. He says every Xcution member had their mothers attacked by Hollows while they were in the womb, leaving traces of their powers which were then passed to the children as they were born. The members of Xcution wish their powers gone and have discovered that they can erase them by transferring them onto a Shinigami-Human hybrid. He says Chad also has Fullbring powers and has agreed to help restore Ichigo's powers. Ichigo asks Chad if that's true and he approves it, saying he hasn't been able to look at Ichigo since the latter lost his powers. He tells Ichigo not to try and hide his passion to fight for others' protection. After hearing this, Ichigo agrees to help.
When Sado returns to the hideout with some shopping, Giriko thanks him. He asks what the box on the table is and Jackie tells him that it is Riruka's doll house, inside which Ichigo is doing his Fullbring training. He is stunned by this and Riruka tells him that it is better to start quickly. She asks if he is going to join in the complaints against her way of doing things. Sado removes the roof of the house and tells Ichigo to that his substitute Shinigami badge is the best thing he can think of to use for Fullbring. As Ichigo is fighting Mr. Pork in his "Full Beast Mode", Sado turns to Riruka and tells her they need to get Ichigo out of the box. However, Giriko reveals his power "Time Tells No Lies" and tells Sado and Riruka that that they cannot release Ichigo until he has defeated Mr. Pork. When Ichigo is wondering how he can use Fullbring on his substitute badge, Sado shouts "Pride!" He goes on to explain that his Fullbring is his skin, which he has kept pride in. Thanks to his abuelo, he has kept this pride in his heart. He tells Ichigo to find a time when he felt pride as a Shinigami, and his heart will activate the badge. Sado then witnesses as Ichigo's Fullbring is released.
Sado and Ichigo later walk back to his home. He tells Ichigo that Orihime has been bringing him leftover bread everyday lately. Ichigo tells Sado that she is worried about him and that he should call her. Sado tells Ichigo that she leaves him too much and that he will give half of it to Ichigo. But when Sado arrives at his door and reaches for the bread, he notices something is wrong with her reiatsu and shouts at Ichigo that something happened to her. Sado warns Ichigo against calling Orihime in case the distraction causes her death. They arrive at her apartment to find Orihime stunned and alone, but unharmed. She frantically brushes off their concern with a bad lie that causes the two of them to be suspicious with Sado later silently agreeing with her precautions regarding Ichigo being vulnerable, and tells him not to worry about her.
Orihime walks into a pole while talking with Sado on her phone. Sado, hearing the noise, asks if she is okay. She tells him that she is and apologizes. She tells him that she is certain she was cut, but by the time she came to, he and Shishigawara were gone and there was no wound. Orihime reveals that when Sado and Ichigo arrived on the scene she thought for a second that Tsukishima was her friend. She says that she does not understand it and rather than mistaking him for a friend, it felt like an old memory, leaving Sado shocked. Orihime tells him to be careful as she believes that Tsukishima's power is scary. Sado agrees and then asks for the two attackers' names and he tells him their names, though she mistakenly says Shishigawara's name as Sushigawara.
After speaking with Orihime, Sado meets with Kūgo at the Xcution headquarters. Kūgo tells him that Ichigo had already started his next training phase. Sado asks what Tsukishima's abilities are. Sado explains what Orihime told him and suspects that Tsukishima's Fullbring can alter the memories of those it cuts. Kūgo, however, says that he already told Sado everything he knew about Tsukishima's Fullbring, and if he already knew about it, then he would have told Sado already. He tells him that Tsukishima's Fullbring is called Book of the End, and that it has an attack power so high that it can literally cut through anything, but it is the only thing that it can do. Sado asks if his Fullbring could have evolved since they last met, and Kūgo says that they cannot; Fullbring abilities cannot and will not change through growth. Sado argues that his Fullbring changed many times. Kūgo, however, explains that means that Sado simply could not access his Fullbring to its fullest ability until he reached a level that he could, and that the rest of the members of Xcution had surpassed that stage a long time ago. Kūgo also explains that Orihime's explanation worries him, because to the best of his knowledge, Tsukishima's Fullbring didn't cause Orihime's memory distortion. Kūgo then asks about Uryū's condition, surprising Sado. Kūgo reminds Sado that Uryū was attacked and asks if he has the same memory problems. Sado tells him that Uryū apparently did not suffer the same memory distortion as Orihime did. Kūgo tells Sado that they had better be sure, because if Uryū is suffering from the same memory distortion, then they need to be worried about Tsukishima's abilities. However, if Uryū is not suffering from the conditions as Orihime, then whoever attacked Orihime may not have been Tsukishima at all.
However, Tsukishima breaks into the room telling Kūgo not to be so sure about his theory, surprising everyone in the room. Sado watches Tsukishima as he greets everyone in the room. Noting that Jackie and Riruka are not in the room, Tsukishima attack Riruka's Fish Tank causing Ichigo to emerge, cloaked in Reiatsu shaped similarly to his Shinigami shihakushō. Sado realizes that Ichigo reached a new stage of his Fullbring, and that it is similar to his Bankai, and to be cloaked in power is Ichigo's true self. Ichigo attacks Tsukishima and asks who he is. Sado realizes the dangers of not knowing who Tsukishima is and attacks him after he identifies himself to Ichigo. Sado lands on the roof and Kūgo scolds him, remarking that they can now tell Ichigo about Tsukishima. Sado remarks that it would be a risk, as they do not know how powerful Ichigo's Fullbring is yet, nor do they know how much control he has over it. He further explains that if they explain what he did to Orihime, then his performance might suffer. Ichigo, however, overhears this and realizes that they only avoided telling Ichigo anything because they were trying to protect him, which he did not realize. Tsukishima lands on the rooftop as well, causing Ichigo to attack him. As Ichigo fights, Sado notes that Ichigo progressed immensely on his Fullbring training. However, Tsukishima gains the upper hand in their fight, causing Kūgo to stop his attack with his own Fullbring.
Sado later stops Ichigo from trying to interfere with Kūgo and Tsukishima's fight. Sado tells Ichigo that Tsukishima is way ahead of him and is impossible for Ichigo to win at his current state. But Ichigo does not listen to Sado and rushes off to fight. After their encounter with Tsukishima, Sado runs into Orihime. He asks her if she was just at the hospital and she replies yes and that she healed Uryū. He says he wanted to hear how Uryū was and she can tell him on the way. Orihime asks where they are going and he responds that they are going to Ichigo as he will need Orihime's powers in the next stage of his training. As they arrive at Xcution's back-up headquarters, Riruka jumps off the building and asks who Sado is with. He responds that it is Orihime and Riruka grins a little. Riruka talks to Orihime and says that Sado told them about her. Sado tries to get her to stop antagonizing Orihime, but she continues before Orihime points out Riruka's feelings for Ichigo and then says that she will heal Ichigo no matter what and they all continue on up to Yukio.
After Orihime enters Yukio's game, Ichigo says that Sado must have brought her there. Sado enters and says that he did and that he knows Ichigo did not want to get her involved, but he will need her. Kūgo begins saying something to Sado but he interrupts saying that he did not come there to back up Ichigo. He says he had Yukio make him his own room where he can train, saying he cannot afford to sit around if he wants to fight Tsukishima again. Kūgo acknowledges this and tells him to do as he will. He enters the room and reflects on the encounter with Tsukishima and remembers that he was attacked by Tsukishima, but no one noticed he was stabbed. He says that everything is how Orihime described it and that Tsukishima's powers are a mystery and that he needs to gain more power if he is going to fight back. Once Ichigo finishes his training, Sado leaves Yukio's Fullbring along with Ichigo and Orihime.
Later, when Ichigo declares that he would kill Tsukishima, Sado punches through the window of the room that Ichigo and Tsukishima were fighting in and he along with Orihime defend Tsukishima. Orihime heals Tsukishima's arm, causing Ichigo to state that he can't believe that Sado and Orihime are the same as the others. Sado is confused by Ichigo's words and states that he's conflicted, not because they're the "same", but because they're "different". He asks Ichigo why he's attacking Tsukishima, and both him and Orihime tell him that he only saved Rukia and defeated Aizen because Tsukishima helped him. Tsukishima appears behind Ichigo and asks him if he understands, but Ichigo lashes out at him Ichigo continues to attack Tsukishima, but Orihime stops his attack with her Santen Kesshun. Sado then appears next to Ichigo and tries to attack him with his Brazo Derecha de Gigante, but Ichigo manages to block the attack. Sado states that he didn't become stronger so he can fight with Ichigo and attacks him with his Brazo Izquierda del Diablo, which pushes Ichigo out of the mansion.
Later, Sado and Orihime find Ichigo with his Shinigami powers restored. Both he and Orihime notice that Rukia, Renji, and Hitsugaya are there as well. Orihime thinks they have come to stop Ichigo, but Sado notes that they look like they are there to help Ichigo and kill Kūgo. Tsukishima then comes behind Sado and Orihime and asks them if they doubt their memories. Tsukishima asks Orihime who protected her from her parents and raised her, and he asks Sado who gave him his coin. He answers that he did both. Kūgo tries to stop Tsukishima from saying anything else, but then Sado and Orihime both feel strange. They are both knocked out by Urahara and Isshin shortly afterwards. They are brought to Urahara's shop and after Tsukishima is defeated, they become stable. They are left in the care of Tessai and Isshin.
The Thousand-Year Blood War arc
While Ichigo is fighting the Hollows that attacked Ryūnosuke Yuki and Shino, Sado arrives with Uryū and Orihime, and they help him in the fight. Two days later, they arrive at Ichigo's house and Sado agrees with Uryū that Ichigo has no etiquette. Sado wonders who Asguiaro Ebern is and tells Ichigo that he'll help him fight when he's done with the bread that Orihime brought. When Ichigo returns, Sado learns about the death of Chōjirō Sasakibe.
Orihime, Sado and Uryū return to Ichigo's house at his request to hear from Nel Tu and Pesche about the Wandenreich's conquest of Hueco Mundo and capture of various Arrancar, including Dondochakka. The group begin to discuss rescuing them when Urahara arrives and offers to facilitate their entry to Hueco Mundo. Along with Ichigo, Orihime, Urahara, Nel and Pesche, Sado travels to Hueco Mundo, where they notice the large number of dead bodies. When Ichigo goes to rescue a group of captured Arrancar, Urahara wonders if Ichigo realizes that he is going to help those that were his enemies just recently. Sado states that because Pesche and Nel know that Ichigo is that kind of person, they trust him to do something about the situation. Sado sets off in pursuit of Ichigo. When Ichigo begins to yell at Nel, Sado reminds him to be quiet.
While Ichigo is fighting the Quincy, Sado brings unconscious bodies of six Arrancar under Orihime's barrier. As Ichigo fights Quilge Opie, who has activated his Quincy: Vollständig, Quilge begins to absorb Reishi from his surroundings, including Orihime's Santen Kesshun, which surprises her. Sado notes that everything around them composed of Reishi, including the rocks, sand, trees, and buildings, are being absorbed by Quilge's technique.Emilou Apacci, Franceska Mila Rose, and Cyan Sung-Sun regain consciousness and summon Ayon, who attacks Quilge. Sado is stunned by the beast's immense power as it releases its Reiatsu and Apacci describes its origins, advising them to get away to ensure their own survival. He watches as Ayon badly beats Quilge, thinking that he is going too far when it becomes clear Quilge's neck is broken. However, Quilge survives and attacks Apacci when she gloats. He gets back up, snapping his neck into place, stating that he will need to report this to his leader before demanding they all die quickly.
Ayon retaliates and tries to attack Quilge, but he uses Sklaverei to absorb the Reishi making up Ayon's body, causing Mila Rose and Sung-Sun to retrieve Apacci and try to conceal themselves, along with Sado, Orihime, and Nel, with Muda. However, Quilge is able to locate them easily, and his Sklaverei not only affects Mila Rose and Sung-Sun, but Sado and Orihime as well. Ichigo then activates his Bankai and attacks Quilge, stopping his attack on his friends and the Arrancar, reasoning that if he crushes Quilge's head, he won't be able to use Sklaverei any more. As Ichigo fights Quilge, he enrages him, causing Urahara to wound Quilge, so Ichigo can go to the Soul Society. Sado and Orihime approach Urahara soon after. Urahara asks them to search Quilge's body for the medallion he used to try to seal Ichigo's Bankai, as they need to analyze the enemy. However, as Urahara is explaining Quilge's powers to Akon, Quilge recovers using Ransōtengai and wounds Sado and Urahara before proceeding to trap Ichigo in a cage of Reishi. After Quilge traps Ichigo inside the Dangai, he turns his head towards Sado and Orihime.
After Quilge is defeated, Sado is called into Urahara's tent by Orihime, where he sees that the former captain has contacted Ichigo in Soul Society. He informs Ichigo that it is good to see that he is safe. A voice is heard demanding to see Ichigo, but Urahara has Sado and Orihime keep him out of sight from the monitor. After Urahara insists that Ichigo not worry about them and do what's best for him, Sado asks Urahara if it was wise to tell Ichigo to only think about himself. Urahara scoffs at the question, telling Sado that he knows full-well that Ichigo is the kind of person who will always help those in need. Much later, Chad arrives at the Negal Ruins per Urahara's instruction and welcomes Orihime to their new location.
Using their time to train, Chad asks Orihime if she is getting tired and if they should stop for the day. Replying that she's fine, Orihime then comments on how peaceful she feels. Reminding her of the war, Chad asks how she can think like that, only for Orihime to point out that despite the situation, humans such as themselves are spending time in Hueco Mundo as easily as anywhere else while saving Arrancar and doing their best for the Shinigami.
Powers & Abilities
Superhuman Strength: Sado possesses a remarkable amount of strength for a Human. With little effort, he lifted a steel beam that had fallen on him. He can effortlessly throw another person half a block away with one arm. Sado fought a Hollow with his bare fists, and is strong enough to break a telephone pole and swing it like a bat. He effortlessly threw off the Hollow creature helpers of Shrieker. His strength is further enhanced by his armored arms, allowing him to take on those bigger than himself with relative ease; with a single punch, he was able to take left arm off the Hollow, Bulbous G. He can aid himself in a safe descent to the ground when falling from high above with tremendous force. He nonchalantly bent an unseated Shinigami's Zanpakutō. He is so strong that when he effortlessly punched a 3rd Seat Shinigami, he sent him flying away half a block, defeating him. He punched a large Arrancar in the face, shattering his mask remnant and send him flying a good distance.  In its true form, his right arm is powerful enough to take on a former Espada, send him flying a great distance through a wall, and give him a considerable injury. With his left arm, he stopped and crushed Gantenbainne's most powerful attack.
Chad Catapult (チャド・カタプルト, Chado Katapuruto): A technique used by Sado to launch an ally into the air.
Grua Tirar (クレーン投げ(グルーア・ティラール), Gurūa Tirāru; Japanese and Spanish for "Crane-Throw") A technique involving a shoulder throw, reminiscent of seoi-nage, that allows Sado to hurl an opponent of gigantic proportions effortlessly.
Enhanced Durability: Sado is unnaturally resistant to damage. He withstood a falling steel beam, which bent upon contact with his back, relatively unfazed. He took a head-on collision with a motorcycle; while the driver was seriously injured, he walked away with only minor injuries. He sustained a clawed attack to his back by the Hollow Shrieker which would have been fatal for anyone else. When his arms are armored, he attains an even greater level of endurance, allowing him to withstand relentless beatings and being thrown into structures without showing any signs of injury. His durability becomes great enough to block incoming attacks and blasts. He is highly resilient mentally, able to endure a powerful attack to his psyche and continue fighting. In its true form, his right arm is durable enough to effortlessly block attacks from a former Espada.
Spiritual Awareness: After his encounter with the parakeet containing the soul of Yūichi Shibata, Sado started to detect the approximate locations of spirits and Hollows, but could not fully see them. Only after saving Karin Kurosaki from a Hollow, during the Hollow-slaying match between Uryū and Ichigo, did Sado begin to fully see spirits.
Enhanced Speed: Sado's speed is above that of an average Human. The recent furtherance of Sado's powers has increased his natural agility to the point where his reaction time is sufficient enough to anticipate high-speed attacks and counter them. During his fight with Gantenbainne, Sado develops a level of speed that can easily keep up with that of Sonído, even becoming capable of appearing behind his opponent and attacking.
High Spiritual Power: He commonly uses spiritual energy to augment the strength of his punches. During his basic training in spirit energy with Kūkaku Shiba, Sado demonstrated intensely strong and high levels of spiritual energy, though the Shiba Clan cannon orb he created was unstable. His Reiatsu intimidated an unseated Shinigami into submission.
Expert Hand-to-Hand Combatant: While never officially trained, Sado is a capable fighter, even when outnumbered.
Brazo Derecha de Gigante (巨人の右腕 (ブラソ・デレチャ・デ・ヒガンテ), buraso derecha de higante; Spanish and Japanese for "Right Arm of the Giant") (Brazo Derecho del Gigante in the English dub and English manga). Originally it was thought that by encountering the spiritual form of Ichigo Kurosaki constantly, Sado's natural spiritual powers were pulled from the depths of his soul. This power is actually a product of Fullbring. Ever since he came to Hueco Mundo, Sado had felt the power inside him rustling, something he never felt while in Soul Society. The rustling increased the deeper he went into Hueco Mundo, and it was the beating he received from Gantenbainne that caused the rustling to settle down. Upon coming to Hueco Mundo, his power has been happily crying out like it had come home, and through the violent welcome of its brethren had reclaimed its sanity. Sado acknowledges that his power is less like a Shinigami's or Quincy's and more like that of a Hollow. This allowed him to fully tap his powers, which manifests as armor on both arms, instead of just his right. Sado states that when he first used his power, it awoke because of the pride that had been instilled in his heart by Oscar Joaquín de la Rosa, and that the object that acted as the source of his Fullbring was the skin on his arms. Originally, he could only activate this power from his need to protect. Later, during his training under Yoruichi Shihōin, Sado learns to activate his powers at will.
First Form (formerly): Sado covers his right arm all the way up to his shoulder in a liquid which then solidifies into a form of armor. The shoulder fans out a bit into an upward extension, parallel to his height. It has an indentation at the top in the middle of the extension, stopping just where his shoulder begins, separating the upward extension into two. There are two wing-like protrusions on either side of his wrist. The arm is black, with a dark magenta strip running down the middle of the arm, tapering down towards a point that stops at the wrist. The dark magenta strip is outlined by a thin white line. These patterns are on the top as well as the underside of his arm.
Spiritual Energy Blasts: He is able to fire powerful energy blasts from his fist. While originally he could only use 2 blasts before collapsing, his training with Yoruichi gave Sado sufficient stamina to fire multiple blasts in a single day. These spiritual energy blasts have become more powerful with each form taken. He is able to fire them effortlessly. Sado gathers energy through the shield portion of his right arm and fires it in the form of a massive energy blast from his arm. This power is present in all forms.
Second Form: Sado covers his right arm all the way up to his shoulder in a liquid which then solidifies into a form of armor. The shoulder extension becomes pointed and slightly longer, making it a little bit taller than Sado. The arm maintains its black color, but the magenta becomes slightly lighter, and the design becomes more intricate, while the white is lost altogether.
El Directo (巨人の一撃 (エル・ディレクト), eru direkuto; Spanish for "The Direct", Japanese for "One Strike of the Giant"): A powerful special attack learned upon attaining the second form. The end of the extension on Sado's shoulder opens up and charges up spiritual energy, resembling the flaming exhaust from a car engine. He releases a huge blast of spiritual energy, which he can either use to augment his punches or fire as a concentrated medium to long-range attack.
True Second Form (Defensive Shield): He covers his right arm all the way up to the shoulder in a liquid which solidifies into a form of armor. Brazo Derecha de Gigante becomes a shield, which extends from his hand to some distance beyond his forearm, with the same intricate pattern as before. Hollow-like teeth lie in the center, with a rose-like pattern or skeletal nose and eyes near the end. He loses the wing-like protrusion which extended from his shoulder and replaces it with a hexagonal plate, which covers his wrist up to his shoulder. In this form, it is used for defense instead of offense, though it's still more powerful offensively than his original arm. This is the true power and form of his right arm. Sado says that "the soul of his Abuelo flows through his right arm," speaking metaphorically of his grandfather's teachings. What his abuelo taught him was to protect, and that is why what dwells in his right arm is a defensive power.
Brazo Izquierda del Diablo (悪魔の左腕 (ブラソ・イスキエルダ・デル・ディアブロ), buraso isukieruda deru diaburo; Spanish and Japanese for "Left Arm of the Devil") (Brazo Izquierdo del Diablo in the English dub):  He covers his left arm all the way up to the shoulder with a liquid which solidifies into a form of armor. The arm is white, with a red stripe running down the length of the center. His fingertips have red diamond shaped marks on them. A spike protrudes from the shoulder. and two more, resembling claws, extend over his chest. This is the offensive power within him.
La Muerte (魔人の一撃 (ラ・ムエルテ), ra muerute; Spanish for "The Death", Japanese for "One Strike of the Demon") (El Muerte in the English manga): A powerful special attack, La Muerte is used by his left arm by grasping spiritual power focused on the five fingers. Those who are struck by it are like sacrifices crucified and offered to the devil. His fingertips charge in the forms of five disks of crackling spiritual energy, and he forms a fist and punches his opponent. The blow is devastating, and upon contact, a huge skull shape is gouged into the surface behind the target. The power can easily defeat a Privaron Espada.
Sado's injuries from his first encounter with Yammy Llargo were drastically toned down in the anime. In the manga, his armored arm was torn off and broken into two, while in the anime, his arm merely had several deep cuts in it.
Appearances in Other Media
Sado appears in most of the Bleach video games, having appeared in every installment of the Bleach: Heat the Soul series as of the first, as well as many other Bleach video games.
In Bleach: Soul Carnival, Sado has Kyōjin no Rengeki (巨人の連激, lit. "Serial Surge of the Giant"), Majin no Shōgeki (魔人の衝撃, lit. "Impact of the Devil"), and Majin no Kengeki (魔人の拳撃, lit. "Fist Strike of the Devil") as attacks.
(About Rukia Kuchiki) "Ichigo wants to save her. Ichigo went all out for her, and that's enough. That's all the reason I need to put my life on the line for anything." 
(About the coin his Abuelo gave him) "That's right. Very important. Maybe even more important than my life." 
(To Demoura Zodd) "Sorry. The truth is, I don't like doing things like dealing the deathblow to opponents who have lost the will to fight. But this time, it seems I can't even say such naive things." 
(To Gantenbainne Mosqueda) "Because you fought me with all your might, I was able to grasp my power. Thanks. Because of you, I'll be able to tough it out ahead. I'll spare your life and pray for your good fortune." 
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