Quinella

Born into Underworld nobility under the name Quinella, she leveraged her extraordinary intellect to decode the system's sacred commands, methodically slaughtering creatures to accumulate administrative privileges until she seized supreme control and achieved eternal life. To cement her millennia-long reign, she established the Axiom Church and transformed captured warriors into memory-wiped, blindly obedient Integrity Knights—an iron-fisted enforcement arm that kept all of Human Empire under her thumb. She stands as the primary antagonist of the first half of the Alicization arc and the true architect of the world's oppressive order.