Ultima - ウルティマ

Ultima, the Purple Primordial, was one of the Demons recruited by [Diablo](https://anilist.co/character/131033/Diablo) to serve [Rimuru](https://anilist.co/character/123962/Tempest-Rimuru). Originally she was an Arch Demon, but being named by Rimuru evolved her into a Demon Peer. ~!She later evolves into a True Demon Lord.!~