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The Fountain of Polaris (ポラリスの泉 Porarisu no Izumi ) is a magical place where the magical power of the stars is sheltered. The holy fountain gives the magical energy of the stars to witches who possess inner potential, but when an incompetent witch goes there looking for that magic but is still unworthy to wield it, the fountain disappears before her eyes.
The Fountain of Polaris is a sacred precinct that can only be accessed through the Big Dipper Arch, which is located in the north campus building of Luna Nova Magical Academy guarded by the magical creature, Arcas. The Fountain is at the end of a long, shining staircase in an alternate space covered with stars. The Fountain itself appears as a large sphere of glowing water where the experiences of anyone who has gone before it is reflected.
- Polaris, more commonly known as the North Star, is useful to navigators because it is a reliable indicator of True North. Polaris is located at the tip of the Big Dipper, eponymous to the arch from which the Fountain can be entered. The Big Dipper is an asterism (recognizable pattern) in Ursa Major. Likewise the Little Dipper is an asterism in Ursa Minor. The power of the stars can be transferred to the witch of hidden radiance through the Shiny Rod, which is styled on the Big Dipper.