Tomoe Gozen is a witch invited to the Walpurgis with the titled of "Mighty Witch" (『豪』の魔女, “Gō” no Majo), her desire is Justice. She was an onna-musha from the late Heian period of Japanese history, serving under Minamoto no Yoshinaka during the Genpei War and was a part of the conflict that led to the first shogunate.

(Art by u/BlackMagnusST)