The Sociopath: She ticks off the entire checklist, from her lack of empathy, seeing nobody as people, and her only joy in life being the yanking out people's souls and experimenting on them. It turns out she is still in the Human Kingdom after being rescued by Princess Lilith, who kept her on as a maid. Revenge Before Reason: When Nemumu posits the theory that Light could use his Gift to spawn infinite minions and subordinates to wreck the world for him, and thus not put himself in danger by engaging in the killing himself, he goes very dark and in Tranquil Fury, asks her if she's trying to deny his vengeance. The Masters hosted by the Dragonute Empire have grown increasingly concerned about their lack of knowledge surrounding the emergence of the Great Tower as well as the sudden disappearances of former members of the Concord of the Tribes, so they hatch a scheme to find out who exactly they are up against.

Four Eyes, Zero Soul: He wears glasses and is just as sadistic and genocidal as the rest of the knights. Backstabbed in a Backwater Dungeon: Volume 5 (Light Novel) (Backstabbed in a Backwater Dungeon: My Trusted Companions Tried to Kill Me, But Thanks to the .Heroic Wannabe: He stole an elven holy sword and is desperate to find a way to exceed level 1500, so he can be a "hero" worthy of the goddess and show his worth as a descendant of a "Master".

After clarifying that wasn't her intent, he snaps back to his cheerful self and gives her some headpats, promising to never hate her. He recounts the days after he was betrayed, going from merely surviving the Abyss with Mei to pushing past his limits, summoning more overpowered allies, and eventually transforming the world’s more notorious dungeon into his very own hidden kingdom. This Can Not Be: When Gold and Nemumu take down his puppets and the puppets don't get up again, when he put in several automatic revival traits on them. Now a powerful Level 9999 Overlord himself, Light plans to ascend to the surface and take revenge on his betrayers one by one!Now Light isn't after her just for his vengeance any more, but to protect the planet from total annihilation. She can use it to either turn her opponents into mincemeat, or create objects like a large elevator to descend a ridiculously deep pit. Enfante Terrible: They have ages in the single-digits, or the equivalent in elf-years, and are first seen having bought a human slave, who is a child, having nailed the poor kid to a tree and then throwing daggers at him like he's a dart-board, until Hardy shows up and ends their game by killing the child.

She pretended to have romantic inclinations towards Light of the comedic "can't be honest to save her life" tsundere manner, but when the party turned on him, happily proclaimed that Humans Are Ugly and shot him in the leg to reduce Light's chances of escape from Garuu even further. Card-Carrying Villain: When he's trying to cripple and torture Dark in the dungeon that used to be Shion's lab, he brags and boasts that he murdered human villages purely so he can kidnap children to feed to Shion's experiments.

While conducting experiments on Gifted humans in her underground lab, she accidentally summoned a soul-eating dragon that has transformed her lab into a vast dungeon. Tempted by the prospect of boosting his rank--not to mention the generous reward promised by the Dagas Adventurers' Guild--Light sets off to catch the killers. However, Light does note that if an enemy is strong enough to pose a serious threat, than her lack of wits is a major weakness of hers.