Martyr resembles the late Katana Battler with a black samurai hat, messy black hair, two swords on her back and a katana that glows purple. She also has tattoos on her arms and wears a large coat, a lavender shirt and black pants.

Marryr: is portrayed as a powerful, angelic katana-wielding boss with themes of sacrifice and vengeance, originally connected to the removed Sai Battler, who was killed for her beliefs, leading to her transformation into a deadly force seeking redemption or revenge

(Ps avatar isn't mine and I couldn't find personality anywhere on the wiki