Archangel Hashmal

She's one cold stone bitch, but she gets the job done.

Heaven Invasion
Archangel Hashmal played a key role in ending the Abyss Invasion of Heaven.

Birth of Archdemon Mammon
It's rumored that Archangel Hashmal was the woman that was given to Archdemon Lucifer and thus the mother of Archdemon Mammon.

Forms
Frame Form: This form takes the shape of a Gundam Frame of Mobile Suit Gundam: Iron Blooded Orphans orginating from the Anime Universe. After the time limit is up, Frame Form shifts into Lucifer Form.

Lucifer Form: After the Frame Form ends, she shifts into a giant mech based on the mobile armor with the same name. After the transformation is complete, she goes on a crusade into the Abyss that lasts two hundred years or until she has slaughtered two million Abyss spawn.