Hades Izanami

Izanami is the true antagonist of the BlazBlue series and the one who is using Saya's Body.

She is also the BlazBlue Counterpart of That Man.

She is the one who Hazama and Relius take answers to and is the goddess of death.

In Choronophantasma she is the final boss of the story mode and using Take-Mikazuchi as her weapon while Izanami herself is an assist character.