Eudial leads the Witches 5, a group operating for the Death Busters, while also working as a philosophy and etiquette instructor at Mugen Academy. Her core mission is to manipulate students into becoming vessels for the entity known as the Master. She takes orders from Kaolinite, who offers to raise the magic level of the Witches 5 to Magus upon the elimination of the Sailor Guardians. In pursuit of this objective, Eudial creates a Daimon from a cat and commands it to attack Sailor Moon and her allies on the academy grounds. Eudial organizes a five-day training camp for new students, employing brainwashing techniques to force them to sacrifice their lives and souls to the Master. This draws the attention of Sailor Mars and Sailor Jupiter. During the confrontation, she declares herself an enemy of the Death Busters and engages them using her fire-based powers. She is overwhelmed by Sailor Mercury's Mercury Aqua Mist and finally defeated by Sailor Moon's Moon Spiral Heart Attack. She has long red hair arranged in two low ponytails and red eyes. Her outfit includes a sleeveless red crop top with a central red star and dangling tassels, red baggy pants under a black pleated skirt, red high-heeled shoes, red star-shaped earrings, and a red bracelet on each wrist. Her abilities include a magic level of 78. She is skilled in creating and commanding Daimons to fulfill her missions.