|This article is about the event. You may be looking for the episode.|
A Blue Moon (ブルームーン Burū Mūn ) occurs when two full moons occur in a month, on the second full moon, a night only once in several years. The magic of a blue moon has the power to reveal many secrets.
Chariot is the one who made the star like shape on the moon. She shot the moon with the Shiny Arc in her last proformance.
- The entrance to the Blue Moon Abyss can only be seen on the night of a Blue Moon. The apparition in the abyss has knowledge of all things in the past, present, and future, which it may reveal to those who can appease it.
- The light of the blue moon illuminates an ancient book of the Nine Olde Witches in the Luna Nova Reference Archives about the magic of the Grand Triskellion.
- The light of the blue moon makes Ursula's jug of water in her room into a scrying pool.