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8th Floor Hierarchy is an unknown group of powerful beings which resides on the 8th Floor of the Great Tomb of Nazarick.
The 8th Floor is guarded by Victim and the far more powerful NPCs working under it. They were the last line of defense who had the task of stopping invaders from getting pass the 8th Floor. They are still regarded as such to be Nazarick's final defense force even after being transported into the New World. In the past, they successfully put an end to the largest invasion to have ever occurred throughout the history of YGGDRASIL.
Along the way, all humans who watch a recorded movie of what happened with the invaders on the 8th Floor of Nazarick screamed that it was impossible. There came a point where official mail was flooded with questions by other players besides the invaders of whether or not it was classify as an illegal construction.
Their floor was considered the only location around in Nazarick which the other Floor Guardians except Victim know hardly a thing about especially those unidentified residents who are part of the 8th Floor Hierarchy. In the Web Novel, Floor Guardians assumes that the existence of an 8th Floor Hierarchy was also made to destroy them in the event that they rebelled against Ainz.
List of Residences
- Cherry Blossom Sanctuary
- Tree of Life (Sephiroth)
The Undead King Arc
- Main article: The Undead King Arc
Meanwhile, Ainz recalls the time when the invasion of 1500 people (players and NPCs) from the Union of Eight Guilds having managed to find their way down to the 8th floor.
When Albedo informs Ainz that she will investigate the 8th Floor and its inhabitants, the latter warns her to be careful while over there. He reminds her that if an emergency situation occurred from the 8th Floor wherein which the problem cannot be taken of, she must contact him immediately about it. However, Ainz later changed his mind and orders Albedo along with the other Floor Guardians not to enter that floor from now on.
The Emissary of the King Arc
- Main article: The Emissary of the King Arc
Aureole Omega, a resident from the 8th Floor caught glance of Ainz's Death Knight trying to use the teleport gate to go to a specific floor. As a result, she assisted the Death Knight on his journey by sending it to the intended destination of his choosing other than where the 8th Floor Hierarchy was at.
The Bloody Valkyrie Arc
- Main article: The Bloody Valkyrie Arc
According to Sebas Tian, he hinted that there was most likely a powerful force residing on the 8th Floor of Nazarick as the invaders were never able to successfully get pass it alive. Besides knowing the fact that Victim is part of the 8th Floor, Shalltear Bloodfallen began to wonder what other mysterious beings are living in that place. She starts speculating that maybe the likelihood for one or possibly more of these unnamed entities are somehow Ainz's personal creation.
However, Sebas puts her idea to rest as he states that there was a rumor in Nazarick about Pandora's Actor being the NPC created by Ainz rather than those from the 8th Floor. Sebas made his own speculation that there might be some sort of mechanism put in place for the 8th Floor to not only fend off intruders but fellow denizens from other floors in Nazarick as well. In the end, the two kept the idea of visiting the 8th Floor on hold until Ainz decides to give them permission to go there.
The Lizard Man Heroes Arc
- Main article: The Lizard Man Heroes Arc
Victim left the 8th Floor to reach the Throne Room and introduce himself to the rest of his fellow Floor Guardians. While so, he deeply pays his respect to Ainz, pledging to stay loyal even if he was to be used as a trap against intruders to prevent their escape.
It was said that the Staff of Ainz Ooal Gown can be found on the 8th Floor. Ainz noted that among those of the 8th Floor Hierarchy, Aureole Omega was the person he have chosen to be given the duty in safeguarding it from any harms way possible.
Ainz recalls an experiment he had committed at some point in time, using "The Creation" super-tier spell to cover the entirety of the 8th Floor.
Despite the promise he made with Cocytus, if there were any other players around, Ainz would not adhere to his agreement of sparing the Lizardmen. If they would not become allies, then they would have to be terminated with extreme prejudice to avoid any information leaks. When they happened, they would destroy the village, even if they had to draw on all the forces of the 8th Floor to do so.
The Two Leaders Arc
- Main article: The Two Leaders Arc
Some of the Homunculus Maids felt that the outside world was inferior to Nazarick, but most of them were afraid of it, because the 8th Floor and the Hierarchy right above their home, had once been invaded by people from the outside.
The Invaders of the Large Tomb Arc
- Main article: The Invaders of the Large Tomb Arc
When Albedo made a request to Ainz that she wants Rubedo in her unit, Ainz rejects that person from joining the group at first but caved in shortly after hearing the Overseer's reason for having her young sister take part.
On the other hand, the chance in winning against Rubedo is extremely low for Ainz who believes it as so. Ainz admits that the NPC would most likely defeat him even if he was fully armed and equipped with his main gear. Therefore, Ainz remarks on the only possible way to defeat Rubedo is if he depends on those from the 8th Floor Hierarchy who have the potential in being able to defeat it. At the same time, he was willing to equip the 8th Floor Hierarchy with the guild's World Items in order to ensure their victory is a guarantee.
The Pleiades Day Arc
- Main article: The Pleiades Day Arc
When Yuri Alpha used an unknown item to call on someone from the 8th Floor, it happens to be her young sister Aureole Omega. Aureole was asked by Yuri to do her a favor by locating the whereabouts of their sister, Shizu which she accepted. At the same time, she was also willing to send over her own minions, Uka-no-Mitama and Ootoshi in the 8th Floor to Yuri in guiding her there if needed. However, the latter rejected further assistance, stating that she can simply ask the Floor Guardians of the 6th Floor to help with that kind of job. As Yuri ask whether it was fine for her to do what she want with her minions, Aureole says permission was granted from Ainz to do as she pleases at any time.
The Paladin of the Holy Kingdom Arc
- Main article: The Paladin of the Holy Kingdom Arc
During Ainz's fight with Jaldabaoth and his demon maids, he deduced the source of the group's power came from one of the 8th Floor Hierarchy, Aureole Omega. Knowing that she could have not left the 8th Floor without his permission, Ainz wonders whether she has buffed them ahead of time, but then considered the idea that maybe it was the work of a Doppel-Aureole Omega instead. In the end, he decided to push these thoughts aside in order to focus on the battle at hand.
The 8th Floor Hierarchy are considered to be the most powerful force of unknown entities situated deep within the Great Tomb of Nazarick. On the 8th Floor, they have the strength to withstand and annihilate 1000 to 1200 players among the 1500 invaders hailing from the Union of Eight Guilds. They are also viewed as being Nazarick's maximum strength. Those of the 8th Floor Hierarchy are extraordinarily strong and a large amount of them had their MP almost depleted after the battle was over.
From the words of Momonga, the 8th Floor was said to secretly contained "Nazarick's largest trump card," suggesting that it may have possibly play some important role in actually defeating them. After failing to conquer the 8th Floor Hierarchy, the defeatists labeled their "trump card" a cheat and never once again bother to combat Nazarick afterward.
There are also individuals in the 8th Floor Hierarchy who had the actual power to combat Nazarick's strongest NPC, Rubedo, and only if they were to use World Items on her. Regardless, no matter how strong Rubedo is, she would not be able to fight one of them to a draw.
Only in the Web Novel, the author Maruyama states that Ainz's chances of obtaining victory over the 8th Floor Hierarchy are estimated to be 30% even if he was to use all the equipment borrowed from his fellow guild members. Regardless, entities of the 8th Floor Hierarchy are stronger than Ainz according to Maruyama.
However, the 8th Floor Hierarchy isn't as invincible as it may seem for some players out there especially the top-tier ranking ones. Maruyama notes that if the top 100 players were to join in together during the assault on the 8th Floor, it was very possible for the Hierarchy to be defeated by them. While not all of them are completely annihilated from the battle on the 8th Floor, they can still overcome the rest of Nazarick and make it fall 100% thereafter.
- Half of either Momonga or the guild's funding was invested in the 8th Floor of Nazarick.
- Entry to the 8th Floor is forbidden under Ainz's order. In short, it is the particular floor in Nazarick which will only be effected with his authority. Because of that, a path had been made to skip past it and head over to a different floor instead.
- Momonga noted the reason why there were no POP monsters on the 9th Floor in the first place was simply because if any intruders could overcome the 8th Floor Hierarchy, the most powerful beings in the Tomb, then Ainz Ooal Gown’s chances of victory would be slim. The author Maruyama even mentioned the fall of Ainz Ooal Gown is inevitable if that did happen.
- Blazing Temple was said to be the area that is near the Gate which allow intruders to enter the 8th Floor where the Hierarchy is located in.
- In the Web Novel, Ainz thought that if YGGDRASIL players have no intentions of becoming his allies, he considers using every means necessary including the 8th Floor Hierarchy to eradicate them.
- According to the author Maruyama, not everyone from the 8th Floor Hierarchy will likely make an appearance or have screen-time in the Overlord series.
- More than half of those invaders who got killed by the 8th Floor Hierarchy were already exhausted by the time they have managed to reach that floor.