Miria

ミリア

A charming dark elf who assists Prince Kyle. She is powerful, calculating, and capable of controlling ordinary demons. She was the lover of the demon king Zeromus. When Zeromus was defeated by seven heroes, Miriya began to cooperate with one of them, Kyle, to escape.
She supports Kyle in his plans to seize the throne, helping him deceive Princess Nina and others. However, despite her helpfulness, she pursues personal goals.
She betrayed Kyle by using him and Nina to free Zeromus.