Radiant Spincrystal 15

Radiant Spincrystal 15 is an item used in any Furnishing of the Euphonium Unbound series to unlock the Soundtrack Knights of Favonius in the Serenitea Pot.
It is located on the roof of the Knights of Favonius Headquarters, near the Teleport Waypoint.
==Location==
Radiant Spincrystal 15 Location.png|Radiant Spincrystal 15's location
Radiant Spincrystal 15 Location Context.png|Additional context
==Other Languages==
==Change History==
fr:Gyrocristal radiant 15
ja:旋曜玉帛・15
pt-br:Cristal Rodopiante Radiante 15
ru:Лучистый кристалл 15
vi:Ngọc Thạch Âm Vang 15