Queen

Queen (クィーン 'Kuīn') is a character introduced in The Freaks.

She is the core of the Nirvana, also known as the Witch Queen. She was the leader of the European witches who were killed during the witch hunts in the middle ages.

She had been sleeping within the codex of the witches' wisdom, the Book of Shadows, but was awoken when Yoshie cast the Land of Corpses spell, forging her into the core of the Nirvana.

Sachiko, having an immense spiritual power, consumed the Nirvana and sealed it within her body. Unfortunately, she was then murdered by Principal Takamine, which freed it from her body and gave the Witch Queen life once more.

Personality
Queen is a being who existed beyond all human knowledge. Feeling hatred and grudge on people who murdered her, she wishes to inflict pain to others just like how she was treated. Only when someone is willing to share the pain that she experienced will she listen to them.