Location from Overlord by Kugane Maruyama
Cocytus's frozen domain — a glacier floor where temperatures drop below anything survivable and the insect warrior collects weapons from fallen enemies.
Floor 5 is Cocytus's personal domain — a frozen wasteland that serves as both battlefield and trophy hall. The extreme cold is itself a defensive mechanism, and Cocytus's Frost Aura compounds it. The Frozen Prison where Nigredo resides is also located here, adding intelligence capabilities to the floor's already formidable military defense.
A vast frozen glacier. Temperature is lethal to most beings. Ice formations create a natural fortress. The Frozen Prison (Nigredo's area) is contained within this floor. Everything is blue-white and crystalline.
Also known as: 5th Floor, Glacier Floor, Frozen Domain