Abraham Gray

Abraham Gray (エイブラハム·グレイ Abraham Gray) is the tritagonist in Angels of Death. He serves as the floor guardian of Floor B2, using drug-induced illusions to study sacrifices. He can be considered as the most significant antagonist in the story as his rules for the experiment building was responsible for Ray becoming a sacrifice despite her being one of his "Angels". However, he later becomes an ally to Ray at the end of Episode 3 and rest of Episode 4.