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- "Taking you easy? No, you are the ones who're taking me easy. My name is Sebas. The one who gave me my name is the strongest warrior. The master I serve is a Supreme Being. But, I can see it's no use talking about him to lower creatures such as yourselves. I grow tired of talking. Let's finish this."
- - Sebas Tian to Six Arms.
Sebas Tian (セバス・チャン) is the head butler of the Great Tomb of Nazarick with several menservants and other butlers under his command. He was created by Touch Me. He is also the leader of the Pleiades Six Stars.
Although he is not one of the Floor Guardians, his power closely rivals theirs. In a way, he is independent of their chain of command. He originally served as Nazarick's last line of defense alongside the Pleiades on the 9th Floor, to give time for the guild, Ainz Ooal Gown to prepare for their final stand in the Throne Room.
Sebas Tian has the appearance of an elderly butler and he is dressed gracefully in his traditional black uniform. Sebas's hair is entirely white, just like his immaculate beard. He has visible wrinkles on his hollow face, which makes him seem gentle in appearance, but his eyes are as sharp as an eagle's. However, in the manga his beard is longer, his shoulders are not as broad, and his face is also older.
Like his creator, Touch Me, Sebas Tian has a great deal of personal justice. Unlike many other denizens in Nazarick, he does not completely despise humans or see them as inferior creatures. Instead, he believes that some humans are good people and it is the duty of the strong to protect the weak. Humans with an ugly nature disgust him and he will not hesitate to kill anyone who dares to oppose Nazarick. Sebas also tends to question his own actions whether it was right or wrong of him to do them contrary to his master's order. Not sure why he does it, Sebas does believe that Touch Me's will was what encouragingly motivated him to act the way he did and that it conflicts with the will of his current master. Although Sebas is stoic in nature, the thought of being executed as a traitor to his master was what terrified him the most. He is extremely nervous and sweating profusely when his loyalty to Ainz was called into question.
When encountering humans who are not purely motivated by personal gain, Sebas believes this was the reason of why he could not bring himself to hate humanity. Sebas believed that it was wrong to cast out a pitiable existence simply due to possibilities of risk. Because of the conflict in his personalities mirroring Touch Me, like Demiurge to Ulbert, the two NPCs do not appear to get along very well with each other, as their characteristics are polar opposites. According to the author Maruyama, the reason behind why Sebas had quite a decent personality was due to not having any settings written by his creator Touch Me at all. He even noted largely, because he is a blank-slate character, the number one NPC most influenced by their creator was particularly Sebas.
He is kind and friendly toward humans. Sebas acts heroic in what he does, looking and wanting to help as many people around him as he could. If he sees someone in trouble, Sebas would go out of his way to lend a hand until it is done from start to end. Sebas admits himself to being sympathetic to whoever is in a bad situation, choosing to stop by and save them from harm without hesitation despite having to face other conflicts of his own along the way. He would delay his duty and mission a little longer to take care of lesser important matters like those first. Nevertheless, Sebas have no intention of saving those who only pray for others to extend a helping hand. However, he would go forth to help any like Tuare out in their hour of need if in the event that someone is struggling and striving to live.
Sebas Tian was created as a butler by Touch Me. He and the Pleiades served as a last line of defense against intruders, holding them off for as long as possible. However, because he is unlikely able to stand against enemy players who managed to come this far, his only real purpose was to distract the invaders until the guild members of Ainz Ooal Gown were fully able to prepare for their final stand in the Throne Room. While so, Sebas does not seem to hold as much malice and hate towards outsiders like humans than his fellow Nazarick denizens who does.
Unlike most residents of the tomb, Sebas harbors doubts about their thought process where "Everything which does not belong to Nazarick is an inferior lifeform," and "Other than a rare few exceptions, humans and demi-humans are weaklings that must be trampled." Rather than follow by their creed, Sebas operated by his creator’s credo that "those who do not save the weak cannot call themselves strong." However, after meeting wretched individuals like Zach, he starts to feel that there might be some truth to what the Nazarick's denizens say after all.
When on a reconnaissance mission with Solution, Sebas had not permitted her to capture and eat any humans during their journey, save the ones who had tried to ambush them. In Re-Estize while gathering information, he usually pays a visit to the Adventurer's Guild every morning and recorded all the requests on the notice board in his notebook before the adventurers could take them. Along the way at some point, he had also pay several visits to the Magician's Guild to purchase low-tier magic scrolls every now and then. Sebas had committed all the information he had obtained in the Royal Capital even street gossip to paper before sending it to Nazarick as reports. According to Sebas himself, he was primarily responsible for the intelligence-gathering duty rather than Solution.
The Undead King Arc
- Main article: The Undead King Arc
Sebas was the second person Momonga spoke to when he first arrived in the New World. His orders were to exit the Great Tomb of Nazarick and immediately investigate the surrounding region after it was transported into the New World. Under Momonga's order, if Sebas encounter intelligent creatures, he must interact peacefully with such lifeforms and invite them to the Tomb. For that reason, Sebas was tasked with attempting to accommodate the other party as much as possible during negotiations. While so, he cannot stray more than one kilometer from the tomb and avoid unnecessary combat.
Sebas found that the tomb is surrounded by grassland, with no intelligent creatures or man-made structures in sight except for Nazarick. He found the skies in the New World as completely normal and similar to Nazarick much to Momonga's surprise. Sebas continues his investigation of gathering information about the outside world for as long as twenty minutes before he heads back to Nazarick. When he returns to the tomb, Sebas would later report this finding including the small animals with no combat power spotted to all who are present including the Floor Guardians on the 6th Floor, Amphitheater. Since Momonga suggested ideas for how to protect Nazarick, Sebas believes that they should be able to perform some sort of eye-deceiving camouflage to fool invaders like Mare wanted. Before Momonga leaves the meeting, Sebas made sure to pay his respects to him, describing Nazarick's ruler as merciful for staying by their side until the very end and having not abandon them like the other 40 Supreme Beings.
Once the meeting is over and Momonga had left the Amphitheater, Sebas informs Albedo that he is going to part ways with the Floor Guardians in order to return to his master's side. Before he sets off, Sebas was advised by Albedo to report to her if anything happens on his end especially in the event that Momonga were to summon the Floor Guardian Overseer, he must let her know immediately.
When Momonga returned after surveying Nazarick, Sebas lectured and accosted him for not bringing his personal guards along during his excursion to the surface. The butler stood by Momonga's side the entire time as he was experimenting with the Mirror of Remote Viewing, and praised his master when he successfully figured out how to control it. However, upon seeing how Sebas sternly view the massacre occurring in Carne Village, Momonga could not help but feel obliged to help the villagers at the sight of the situation. With Ainz heading out to save the village, Sebas was given the order to put Nazarick on maximum alert and tell Albedo to be fully equipped but without Ginnungagap before having her follow after his master. After that, Sebas had to prepare support units which will be sent to the village stealthily and invisibly to keep a close watch and guard over it.
The Emissary of the King Arc
- Main article: The Emissary of the King Arc
Sebas Tian is summoned by Ainz to give a report on the status of the regular maids. Sebas Tian states that they are performing their duties as intended. He is stunned that Ainz wishes to give the maids and manservants breaks, as it is unnecessary due to the magical items they use to eliminate fatigue and the idea of resting when they should be serving the Supreme Being. He comes around to the idea where Ainz reasons that the breaks are opportunities for self-reflection to improve themselves better in serving him. Now a firm believer, Sebas Tian eagerly states that he will handle the management and incorporate it to the maids' schedule.
The Guardians' Vacation Arc
- Main article: The Guardians' Vacation Arc
Seeing how Ainz had been working from evening to morning for ten hours straight, Sebas suggests his master should take a break. When Ainz suggests the butler take some time to rest first, Sebas adamantly refuses and couldn't fathom the thought of doing so while his master is still working. Sebas reassures his master that he had items equipped to negate sleep and hunger. The butler told Ainz that he and the Pleiades are never left idle as they continue to work daily nonstop. In the end, Sebas had no other choice but to take break off and rest while also making sure to reschedule the Homunculus Maids' schedule as ordered by his master.
Sebas enter the meeting room with the Floor Guardians using a passcode: All Glory in this World Belong to Nazarick. During the meeting they had together in private, he informs the Guardians that Ainz has been constantly throwing himself into work without rest. Sebas went over the first item on their meeting's agenda. He stated the results of the earlier health examination of their master Ainz were "almost all yellow" and the liver "was even in the red." He recalled the words of the Supreme Being Herohero making mention of a health examination. Sebas reaffirm the Guardians' duty that they must continue remaining loyal and devoted to Ainz no matter what happens from here on out.
The Bloody Valkyrie Arc
- Main article: The Bloody Valkyrie Arc
While Ainz had been masquerading as an adventurer, Sebas and Solution Epsilon were ordered to disguise themselves as wealthy and influential humans to gather information. Particularly, the roles they played were an elderly butler and a spoiled, rich noble. Under Ainz's order, Sebas and Solution were both instructed to capture human criminals who know Martial Arts or magic, whose absence will go unnoticed.
At the Shining Golden Pavilion, Sebas and Solution had lodged in this inn under the backstory of being an heiress and her faithful butler who hailed from a city in some part of the Baharuth Empire. They had shown the ample purchasing power such a background would merit, in order to see how the people around them would react. After Solution made loud complaints about the food, giving everyone a bad impression of her, it was Sebas's turn to act. Sebas apologized for her behavior and offered to pay for everyone's meals. As they prepared to leave, Zach, a hired hand, attempted to delay their departure with his own excuses. Sebas sees through his treachery and allows him to finish whatever he needs to do while their luggage were being packed onto the wagon.
Sebas approached by Baldo Lauffray, was reminded that Zach is not trustworthy for the job of handling transportation. Although Sebas reasons to the merchant that this was a choice decided by his mistress, he was advised by the latter to have Solution reconsider her decision. However, Sebas made Baldo believe that he cannot question his mistress Solution's decision, reasoning that her father's kindness was part of why he won't go against it or her requests. Hence, Sebas decline Baldo's offer to have bodyguards traveled along with him and Solution, solely because his mistress don't like having people by her side.
Afterwards, he visited Solution in private to tidy the remaining luggage. He allows Solution to rest until they are ready to set out while verifying from her to see if their prey Zach is moving according to their plan. When Solution asked of disposing the man, he say it should be acceptable as long as she get permission from Shalltear. Upon clearing up the luggage, he had Solution gave him a summary report of what Zanac was plotting with his collaborator.
As the carriage goes on its way, Sebas engaged in a discussion with Shalltear, who joined them on their segment of the journey. He learns the origin of Shalltear's relationship with Aura was connected to their creators being siblings. Not only but Sebas' misconception of the seiyuu was also cleared up by Shalltear after the latter clarify to him what its true power was. When Shalltear asked why neither he nor Demiurge get along with each other, Sebas admits he have no clue himself why but felt it was some instinct and feeling from his creator deeply engraved within him.
On the other hand, Sebas told Shalltear about the tale of the time when outsiders invaded Nazarick and how the 8th Floor put an end to their invasion. He informs Shalltear that Ainz's personal NPC creation does not lied on the 8th Floor but in Nazarick's Treasury where it is guarded by Pandora's Actor. Knowing that the mystery of the 8th Floor remains unknown to them both, he advised Shalltear to not illegally access that location until their master Ainz finally permit them. Sebas had also asked Shalltear for permission to let Solution have Zach for herself which she accepted.
Sebas got into an heated exchange with Shalltear upon mentioning the fact that either Demiurge or Aura were suitable for her job than she can do. Threatened with violence by Shalltear, Sebas apologetically admits he had misspoke by accident and that his concern for the vampire was whether she got [Blood Frenzy] under control in their mission. Once the bandits targeting them had been lured out and slaughtered, Sebas and Solution split off from her, taking control of the carriage used formerly by Zanac.
The Men in the Kingdom Arc
While walking as a passerby the streets of Re-Estize, Sebas came across an old lady in trouble and lend the latter a hand by walking her home. When he got done sending the old lady home, Sebas continued on to his original destination which is the Kingdom's Magician's Guild. He goes there to examine various magic scrolls on sale and look to purchase one that caught his interest, choosing to get the kind that is imbued with the 1st tier spell, [Floating Board].
After buying a Floating Board Scroll, Sebas calls on his Shadow Demon to go and inform Solution that he will be returning late. With that settled, he plans to move independently as part of his intelligence-gathering duties, seeking to fully familiarize himself with the layout of the Re-Estize Capital. Moving away from the central district of the capital, he took a shortcut through a very secluded, back alleyway. While walking by a pub, a sack is thrown out of the door which Sebas had taken notice of much to his displeasure. Looking to overlook what he had seen, Sebas attempt to move pass it until something took hold of his leg. Sebas' leg was gripped by a badly beaten girl who stared at him as if she is asking for help desperately.
Before Sebas could completely asked her to let go of him, some man came out from the pub's door to confront him. Sebas got into an argument with the man, threateningly interrogating him about the origin of this badly-beaten girl. Nonetheless, Sebas was warned by the man that the girl belongs to his group and if he was to take the girl away from him, it would be consider breaking the Kingdom's law and is viewed as kidnapping. Sebas was provoke further by the man that he would be troubling his master/mistress if she caught wind of his action. However, Sebas counters back with a lie he made up that there is a law in the Kingdom which requires him helping those in need without fear of legal consequences.
Meanwhile, Sebas asked the woman if she wanted to be saved by him. After getting a reply from her, he prepares to take her home with him before being stopped by the man. The man attempts to convince Sebas not to rescue her when both their lives will be put at risk by the Eight Fingers as the butler is interfering with their criminal operation. In the end, Sebas decided to lend the man a pouch of money to hire an adventurer who can help him flee from the Eight Fingers. This way, Sebas thought it would also help himself buy some time to heal Tuare and bring her to his mansion safe and sound.
Upon his return to the mansion, Sebas had Solution healed the wounds of Tuare using the Healing Scroll and perform a health examination on her. Sebas also orders Solution to not report this to Ainz or Nazarick as he doesn't want to trouble his master with such matter concerning Tuare. Leaving Solution to take care of her wounds, he went off to buy food to prepare for Tuare until she regains consciousness. After she is fully recovered and having ate her supple, the woman reveals herself to Sebas as Tuare while he introduces himself as being a servant of his mistress Solution. Sebas reassures Tuare to be at ease and have a good rest as she is safe from harm under his protection, comforting the girl with a hug. He also wiped away her tears with a handkerchief after recalling that his master had done something like that to Shalltear. Seeing that Tuare had nobody to turn to for help in leaving the capital safely, Sebas considers the idea of making her a maid.
On the other hand, he was then questioned by Solution Epsilon as to why he would take a human girl back to their place which could jeopardize their mission. Sebas states that Tuare could be useful for their cover, as she would act as a servant in their mansion, making it look less suspicious of having just the two of them around. While Tuare works as a maid in the mansion where she had to cook food, Sebas made the choice to head to the markets and buy ingredients for her to use in making them. However, with his intention to have the girl get accustom to the outside world, Sebas easily convinced Tuare to go shopping with him next time. He reaffirm his promise to Tuare that he will eliminate any danger which may befall her, telling the girl to be at ease and have faith in him. When he brought up Solution to Tuare and the way she avoided her, he reassures the girl that his mistress often tends to act that way with everyone. He went as far as to compliment Tuare the beauty of her looks so that she feels more confidence in her own appearance, offering positive words of comfort before then hugging her.
Afterward, Sebas was approached by both Staffan Heivish and Succulent who caught wind of the butler's action of taking away one of their slaves. They turned up at his mansion, accusing Sebas of slave trafficking and violating the Kingdom's law, making demands for him and Solution to pay a heavy fine and turn Tuare over to their custody. Sebas quickly realizes that these are corrupted guards working on the behest of the criminal group that he saved Tuare from. They look to extort money out of Sebas and overlook his action if he pays a certain sum of gold coins for them as compensation. After getting the guards to leave without resorting to violence, Sebas decides to go out and crush the criminal group himself to prevent any further trouble.
During his walk, Sebas noticed that someone was following him and finds a boy being beaten up by a group of men. Sebas got into a fight with them and easily beat up the leader of the group, scaring the rest of his followers away. Shortly thereafter, he partially heal the boy's injuries and had one of the passerby go take him to the temple before resuming his walk to his destination. Along the way, Sebas encounters Climb who was tailing him. Sebas was approach by the young warrior to teach him the technique he used to subdue the man from earlier. While so, Sebas explains to Climb about his story of rescuing Tuare from slave traffickers, seeking the warrior's help if there were any righteous individuals within the Kingdom who can come to his aid in this matter. Sebas was reassured by Climb that his liege would surely help Sebas' predicament out as long as the latter receive consent from her for assistance beforehand.
Considering whether or not to train the warrior, Sebas inquires Climb's reason for wanting to become stronger. After deciding on how to train the warrior, he test Climb's determination by swinging his fist at him with intent to kill. Letting go of his murderous intent and the killing blow, he acknowledges that Climb was barely able to hold on to dear life, having manage to move out of the way by overcoming his fear of death. Sebas explains to Climb that as long as he continues experiencing more life-or-death situations, the latter will one day be able to handle threats that give off fear like it. Before Sebas continues training Climb, they were interrupted by Brain Unglaus, who was watching them in silence until now. Confused on how Climb was able to endure such intimidation from the butler, Sebas reasons with Brain that he need to have a dedicated goal in life, something which he cannot easily forsake to conquer fear and not succumb to it. As a result, Sebas' words of encouragement had convincingly stirred the hearts of men like Brain and Climb to reflect their respective value as warriors to their own cause. He instructs Brain to train Climb in his stead.
However, Sebas' conversation with the two were cut short when they are ambushed by assassins and managed to defeat them. Unlike with Climb and Brain where he had reason to do so, Sebas did not unleash his killing intent at his other pursuers solely because the former view them as enemies and had no intention of scaring them off. After capturing one of them from the death battle, Sebas with Brain and Climb interrogated the last assassin and were told that they were sent to kill the butler by Succulent of Six Arms. Sebas split off from Brain and Climb to raid different parts of the brothel where he ended up murdering Staffan Heivish in cold blood after seeing the latter's mistreatment towards one of his slaves. By the end of this raid, he and the two have successfully captured Cocco Doll and Succulent as well as having rescue the people who were locked up in the brothel. With the objective clear, Sebas advised Climb and Brain to not make any mention of him during their raid together as he came to the Re-Estize Kingdom to do business. Later, Sebas returned to the mansion and was met with Solution out of her disguise, and in full battle maid equipment. She promptly states that Ainz Ooal Gown is waiting for him.
Upon reaching the room where his master awaits him, Sebas was instructed by Demiurge to keep his distance from Ainz and where he was under the ideal range for Cocytus to launch an attack on him. Sebas was put on trial and questioned by Ainz about the reason behind his action of saving Tuare. At the same time, Sebas was asked why he had not bother to send a report concerning the girl Tuare he saved while keeping it a secret from Ainz and Nazarick. He frantically reasons that that there was no need to trouble his master with a report concerning such a small matter, Ainz until the latter calls him out for his foolish judgement. Sebas' loyalty to his master was put to the test as he is given the order by Ainz to eliminate Tuare with his own hands. Despite hesitating for a moment, Sebas did attempted to try and kill her seriously with a killing blow from his fist but was blocked by Cocytus, stating that he had already proved his loyalty.
Once Ainz takes a temporary leave from the mansion to bring Victim back to the 8th Floor of Nazarick, Sebas decided to use this chance to take Tuare back to her room where she can rest. While guiding Tuare back to her room, Sebas regretfully told the girl it was his own fault for not being able to successfully deal with her in a better way that doesn't involved confronting Ainz. He then suggests that she stays in the human world and find her happiness there. He plans to ask for his master's approval to have Tuare's memories modified so that she doesn't remember him or Nazarick's involvement. However, upon seeing her resolve to join Nazarick, he changed his mind and seeks to find a way in convincing his master to let her live in the tomb. After sending Tuare to her room, he went back to Ainz's side, discussing with his master about what they are planning to do from now on including Tuare's fate in Nazarick. He got into an argument with Demiurge over the usefulness of Tuare, reasoning to Ainz that the girl can work for Nazarick as a servant who can cook and learn to make food for them that is within their standard. Sebas is relieved to find that Tuare will become a maid of Nazarick who is directly subordinate to him and is under the protection of his master's name.
Prior to leaving the mansion and taking Tuare back into Nazarick, Sebas was instructed by Ainz to purchase large quantities of grain in Re-Estize and direct them to Demiurge. Particularly, Sebas and Solution will complete their final task in the Royal Capital which is to purchase grain for Demiurge and then they will transport it to the storehouse. To maintain their fake identity as traders until the very end before they set off to Nazarick, he and Solution had decided to put on a show and pretend they were returning to the Baharuth Empire. He brought Solution with him to announced their return to their homeland to all the traders and to the Guild, the same people they had met when the two had first arrived to the Royal Capital. They had to spend time on small talk, that being an indispensable part of improving relationships. Sebas and Solution spent upwards of half an hour at every location they visited in Re-Estize while conversing with the merchants for various talk of negotiations. He and Solution were able to received a huge discount on the rent for the warehouse, on top of the deductions for buying a large quantity of grain.
Since the process of arranging a temporary storehouse and the grain transportation in the Royal Capital is completed, Sebas and Solution head back to the mansion in order to prepare for their return back to Nazarick where they will be relocated to for now. However, to his shock, Sebas finds out that Tuare is kidnapped by the criminal syndicate, Eight Fingers. He orders Solution to contact Ainz immediately afterward about it, telling their master that Tuare has been kidnapped and ask him for advice on how to proceed.
When his master ordered Albedo to send Demiurge, and several powerful servants to punish Eight Fingers, Sebas can't help but offered his thanks and gratitude to Ainz for the support he had given him. Demiurge then explained his plan and sent him and Solution who can use healing magic to rescue Tsuare in one of the several facilities controlled by the criminal syndicate. Sebas was informed to not forget the possibility that Tuare may turn out dead, with Demiurge using himself as an example to explain various ways of how he would have handle the hostage situation to his own advantage much to the former's irritation. Before setting off to do his mission, he was reminded and warned ahead of time by Demiurge that saving Tuare comes second to their main objective. Sebas promised Demiurge that he will make sure to slaughter Eight Fingers without compromising their operation.
By coincidence, Sebas then meets up with Climb, Brain, and Lockmeier whom plans to attack the Eight Fingers' building. He informs them that Eight Fingers threatens him to come to their facility as the criminal syndicate has Tuare hostage. After he exchanged information back and forth with Brain, Climb and Lockmeier, it was decided that the three will infiltrate the building to search for Tuare while Sebas proceeds to enter the arena where four members of Six Arms were waiting for him in the front. Hence, Sebas arrived at enemy territory, exchanging a few words with the members of Six Arms of information on Zero that he would then gesture/signal Solution to silently infiltrate the 3rd floor of the enemy facility unbeknownst to them. Although none of his enemies directly revealed the whereabouts of Tuare, Sebas happen to see one of the four people shift their line of sight towards a certain location in the building. What caught his attention is the fact that it was not the place Tuare had been held at where he heard from Climb, Brain, and Lockmeier. Realizing this, he had decided to verify the location after taking care of the four enemies within his range first. Sebas provoke the four members of Six to all attack him at once, easily killing them all in less than twenty seconds without the latter laying a scratch on him. He then leaves Solution to kidnap the audience in the arena and goes off to search for Tuare.
While Climb's group was facing Zero, Sebas entered the area after having rescued Tuare and tells Zero that he killed all of his subordinates including the four members of Six Arms. Despite Zero not believing it to be true, Sebas told him to accept the truth as it is since he happens to be standing alive unscathed. Feeling pity for the enemy, Sebas allows Zero the honor of attacking the former first with the latter's strongest attack. After the enemy realizes how futile its most powerful blow to him was, Sebas then instantly kills off Zero with a heel dropkick in response to the latter's aggression. Bidding farewell to Climb and Brain, Sebas carried Tuare with him to safety through swiftly evacuating her back to Nazarick, accompanied by Solution in accordance to what Demiurge had planned for them. At this point, upon returning to the tomb, Sebas would no longer be involved in Demiurge's operation after completing stage one of the demon's plan.
Back in the Great Tomb of Nazarick, Sebas was present alongside Pestonya and the Homunculus Maids to welcome Tuare as their newest addition within their servant ranks. Sebas orders Pestonya to train her until she qualifies to be a worthy maid of Nazarick. At the same time, he encourages Pestonya that since Tuare is only human, he wants the Head Maid to not push the girl beyond her limits while being trained. On the other hand, he was informed by Pestonya that Tuare is planning to retire from maid duty after marriage much to his utter shock.
Ainz Raises Money Arc
- Main article: Ainz Raises Money Arc
When lending money to the Floor Guardians, Ainz indirectly ordered both Sebas Tian and Narberal Gamma to buy things for them. Later, Sebas, along with Narberal were called upon by the Floor Guardians to take part in an emergency meeting over the new cache of money they received from their master.
During the meeting, when the Floor Guardians began consulting Sebas and Narberal for market items that are worth exactly three gold coins, the two were unable to think of anything. Sebas intervened in the Floor Guardians' discussion, stating that Ainz may have been wanting to teach them the local cost of commodities in the surrounding lands. He thought that Ainz's intention for the Floor Guardians was to educate them in considering smaller factors when operating outside of Nazarick. At the same time, he began reflecting on his own past mistakes when dealing with Tuare and believed it was Ainz's motivation for doing this.
The Invaders of the Large Tomb Arc
- Main article: The Invaders of the Large Tomb Arc
Sebas and Solution were present in the Throne Room of Nazarick, where Ainz personally thanked the two for their efforts in gathering information. Ainz offered Sebas a reward, where he initially declines at first, but gives into his master's insistence, forcing the butler to request he would be given clothing and daily necessities for Tuare. Not wanting to acquire high-grade materials from Ainz's collection, Sebas suggests his master of borrowing Narberal Gamma to help with that task. However, when his master offer him an alternative to the butler's suggestion, Sebas accepted the idea of going on a date with Tuare to the Kingdom's Royal Capital to shop for some clothes for her.
According to Narberal, since the Head Maid Pestonya is in confinement, it was up to Sebas on teaching Tuare how to be a proper maid. After she learns the appropriate etiquette, Sebas will be teaching her how to cook and how to perform other duties. Once they have determined what duties suit Tuare, Sebas and the other maids will have her be officially assigned to a specific position in Nazarick.
The Magic Caster of Destroy Arc
- Main article: The Magic Caster of Destroy Arc
Once Jircniv Rune Farlord El Nix was dismissed from the Throne Room of Nazarick, Sebas, along with the Floor Guardians convened before Ainz Ooal Gown to discuss Ainz's next phase of world domination. Upon hearing Demiurge's explanation, Sebas felt angered by how the Emperor thinks that he and the other NPCs would consider thinking of betraying their master. He immediately dismiss that thought and suggest the Floor Guardians pay their respects to Ainz while in their master's presence. When deciding on a suitable title for Ainz as a ruler in preparation for creating the Sorcerer Kingdom, Sebas suggested that they should simply called him "King."
The Pleiades Day Arc
- Main article: The Pleiades Day Arc
Sebas was present alongside Yuri Alpha as they observed Tuare's movements as a maid. Though Yuri commented that the human was growing tired and requested to take a break, Sebas insisted that her training must continue. His reasons for pushing her was to prepare Tuare's for her role as a head maid in E-Rantel, considering how little time she had left. Sebas is wary of the time and date when Tuare would begin assuming her duties of leading the human maids in that city. Due to such important a role being bestowed upon Tuare, he did not wish to embarrass Ainz of her mistakes in carrying out instructions, feeling worried it may reflect badly on their master's opinion of her. He was concern for any mistakes she makes, now and in the future, that can possibly shame Nazarick.
Though he will strive to keep her from making mistakes, Sebas admits he cannot always be by her side. Sebas reasons with Yuri that because Tuare is placed in a high position above the other maids from E-Rantel, he felt it is the human's duty to serve as an example for her subordinates to be someone whom others look up to. Knowing how hard at work Ainz is, Sebas was inspired by his master's regal action and attitude as the ruler of Nazarick that move the hearts of everyone including himself to do the same like him. Striving to become closer with Ainz, Sebas chose to follow his master's lead by training Tuare and having her set an example for other maids to see and admire like they do towards the Supreme Being.
After heeding Yuri's advise, he decided to let Tuare take a break and rest for the time being until she can fully recover for their next training. He informs Yuri that Tuare will be taught how to do cleaning and the like by Eclair Ecleir Eicler.
The Craftsman of Dwarf Arc
- Main article: The Craftsman of Dwarf Arc
Nazarick Mythology Arc
- Main article: Nazarick Mythology Arc
Sebas Tian attends a meeting with the Floor Guardians to devise a myth of Ainz Ooal Gown to incorporate in human society. He is the first to start, where his myth was centered around the Supreme Beings being viewed as righteous entities. When the world falls into chaos Ainz Ooal Gown as a hero of justice descends and restores order. Ainz notes it to be heavily based on Touch Me's notions and ideas.
The Witch of the Falling Kingdom Arc
- Main article: The Witch of the Falling Kingdom Arc
Although Sebas was supposed to be on standby in the city of E-Rantel, he had chosen to return back to the Great Tomb of Nazarick and seek out his master. Upon seeing Ainz's return to Nazarick as well, Sebas informs his master that he was requested by the Area Guardians, Pestonya and Nigredo who had not received permission to leave their area to speak with him privately in their behest. Ainz agrees to the request and allows Sebas permission to join him in the Frozen Prison where Nigredo and Pestonya were at on the 5th Floor of Nazarick.
Once they are present, before beginning the main topic of discussion, Sebas lets Ainz sample some plain biscuits that he obtain from E-Rantel, explaining how the fortress city was able to develop it as part of the a food culture that had begun to change slowly. While so, he informs his master about the current abundance of cheap and fresh ingredients being brought into the city and how it helps improve food like the biscuits. With that small talk out of the way, Ainz decided to shift the conversation back to why he visited the Frozen Prison in the first place.
During the main topic of discussion, when Ainz got done rejecting most of their suggestions with reason, Sebas appeared silent since their previous topic until he caught his master's attention. When his master looked his way, Sebas voiced his appreciation of Ainz for coming out here to listen to their suggestions. However, the moment Pestonya brought up the idea of letting humans escape alive as fearmongers who can start spreading the news of opposing the Sorcerer Kingdom to be hopeless, Ainz has decided to take the maid's suggestion into consideration. Upon hearing this, alongside the two Area Guardians, the butler felt eternally grateful for Ainz on considering Pestonya's idea and silently bows down to his master as a result.
- In the Web Novel, Sebas was not asked by Momonga for help on readjusting the Remote Viewing Lens.
- Maruyama while suffering from tendonitis in 2011, wrote an off-topic short story based in the Web Novel where Sebas Tian created a harem with the women he rescued from Eight Fingers.
- In the Manga, Sebas has a longer beard than in the anime. However, later on, his design was changed, and he looks like the novel's version.
- It is said that Sebas's appearance is the spitting image of how Touch Me looks like in real life. Sebas mentioned that if he had to obey anyone's orders without question, it would be his creator Touch Me before Momonga.
- Sebas's first English Voice Actor, Ed Blaylock, passed away due to cancer before Season 2 was released, and was replaced with Bill Jenkins.
- Sebas inherited his creator's liking for superhero stories when compounding a mythos.
- If a Floor Guardian was to be assigned to the 9th and 10th floors, Sebas would be the Floor Guardian of the 9th and Albedo would be the one for the 10th.
- (To Momonga): "The person responsible for gathering us all. Compassionate and refused to abandon us until the very end, in order to stay behind and fight alongside us."
- (To an unknown man): "...Did you think that my master was someone who could not handle the law? Rules were made to be broken by the strong."
- (To Tuare): "Please do not let it bother you. It is a great honor for a man to lend his chest to a crying woman."
- (To Tuare): "A handkerchief that cannot be used is a sad one indeed, especially one that cannot even wipe away a person’s tears."
- (To Tuare): "Jewels are like that. Those without scratches are considered beautiful and valuable."
- (To Tuare): "Like how people have their own definition of what they consider beautiful, 'I' believe that if a person's beauty lies separate from their appearance, it is not in their past, but their heart. Although I do not know all of your history, from what I have sensed of your inner self for these past few days spent with you, I do not consider you dirty in the slightest."
- (To Climb): "Whether you survive is up to you...If you have something that you hold dear, a reason to crawl forward and cling onto your life, you will be fine."
- (To Climb): "...Fortunately you did not die from shock. These things happen when one is so certain of one's death that one gives up the will to live."
- (To Brain Unglaus): "It means that his loyalty was greater than his fear. Unglaus-sama, humans are able to display an incredible power if it is for those who are important to them. Like how a mother raises a pillar to save her child trapped in a house, like how a husband supports his wife with one hand when she is about to fall, I believe that is the strength of humans. This person here as well, he displayed that strength. And he is not alone in this. If you have something that you would not trade for anything, then Unglaus-sama will be able to display a power greater than what you have come to expect from yourself."
- (To Brain Unglaus): "...What is raised alone will be weak. After all, it will be over once you yourself are broken. Instead, if you build yourself up with another, if you can give your all for someone else, then even if you are broken you will not fall."
- (To Climb): "Fear is an important emotion. But you cannot be ruled by fear. I have been watching you fight from just now, and I feel that your fighting style is too plain and conservative. If your foe had been willing to sacrifice one arm, you would assuredly be dead. If your physical abilities are inferior to your opponent, then you must defeat them with your spirit. The strength of one’s will can sometimes surpass the weakness of one’s flesh."
- (To Tuare): "I am a loyal servant to Ainz-sama and the 41 Supreme Beings. Even if a similar situation occurs, I will follow their order...So please, be happy amongst the humans. I will petition him to allow it...Ainz-sama can manipulate memories, so ask him to erase all your bad memories and be happy."
- (To Tuare): "...You seem to take joy even in the most insignificant things. You are simply thinking that because of the hell you have been through."
- (To Davernoch): "There is only one being who can use that title. The one who stands above all. How dare some lesser undead like you use it."
- (To Edström): "To fight even after losing your head. I applaud your fighting spirit."
- (To Peshurian): "What is this. You were talking about slashing through dimensions."
- (To Malmvist): "You only need to admit that I am stronger than you are. What a troublesome person. If you wish to, keep thinking so."