Nigredo
An NPC of the Great Tomb of Nazarick in Overlord, Nigredo is the older sister of Albedo and Rubedo and Area Guardian of the Frozen Prison's upper level.
Nigredo is an NPC of the Great Tomb of Nazarick in Overlord and the older sister of Albedo and Rubedo. She holds the above-ground portion of the Frozen Prison on the tomb's fifth floor as its Area Guardian, and she is confined there. Her hair resembles Albedo's, but the resemblance stops at her face, which has no skin over it, only exposed muscle, bright eyes without eyelids and pearl-white teeth with no lips; the sight of her was enough to send the guild members at her all at once. She raves, and she will turn on anyone who comes to her without a baby doll to offer, though she is thought to be gentle enough under ordinary conditions. She dotes on infants, loses interest once they pass the age of two, and unlike most of Nazarick she wishes humans no harm and refuses any part in killing innocents.
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