Abaddon

Abaddon was a demon, a Knight of Hell in fact, she was chosen by Garmr in order to enforce the laws of Hell, where she lived until her death at the hands of Scarlet Daniels. Abaddon's name before she died, went to Hell, and became a demon was Ava Garcia. She made a deal with Ylfa as Ava, and that led to her getting sent to Hell, she sold her soul to have a good life on Earth. Her demon brother is Azazel, who is a Prince of Hell, making him stronger than her, she also has another older brother who is Vile, and an older sister who is Dagon, all Princes of Hell. Abaddon's son is Tytan, who was the final Prestigious Champion of APW. Abaddon was supposed to be debut in APW at some point, but she killed Aerrax, a Leviathan for an unknown reason, and that led to Raoul letting Scar kill her by stabbing her in the throat with the First Blade.