The Witches of Sin (大罪魔女 Taizai Majo) are a group of nine individuals who each represent a different sin.
The Witches of Sin were active 400 years ago before six were killed by Satella, who was later sealed in a shrine made of sealing stone near a large waterfall, is currently watched over by the Sage's apprentice Shaula. According to Sekhmet, Subaru is the third person to meet three witches in a row with the other two being Reid Astrea and Flugel.
Each witch has two image colors that represent them; Echidna's are white and black, Minerva's are blue and white, Sekhmet's are black and gray, Daphne's are black and purple, Typhon's are blue and green, Carmilla's are red and pink, Pandora's are gold and white, and Hector's are gold and brown.
- Satella (envy)
- All names of the Witches of Sin are related to asteroids except for Satella.
- According to the author, all the witches will reappear in Arc 11.