Spoiler Alert Spoiler Alert: WARNING! This page happens to contain a lot of heavy spoilers that are all originated from the Overlord author, Kugane Maruyama and his collection of written works. Anime-only watchers and Manga-only readers, please take some time off to reflect it over for a bit before choosing to expose yourself on reading the information below recklessly.

Rotting Demon (腐敗の魔鬼) is a type of demon from YGGDRASIL.


Rotting Demons were over two meters tall, with tarry black skin that resembled bubbling swamps. These bubbles rose to the surface and burst, releasing a yellow mist.


Rotting Demons were level 30 monsters wreathed in rot-inducing gas.



  1. Overlord Volume 06 Chapter 11: The Final Battle of the Disturbance
  2. Overlord Bonus Volume Chapter 4: Beyonders
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