Radiant Spincrystal 70

Radiant Spincrystal 70 is an item used in any Furnishing of the Euphonium Unbound series to unlock the Soundtrack Dirge of the Soundless in the Serenitea Pot.
It has a chance to be sold by the Teapot Traveling Salesman. It can only be purchased after completing the .
==Other Languages==
==Change History==
fr:Gyrocristal radiant 70
ja:旋曜玉帛・70
pt-br:Cristal Rodopiante Radiante 70
ru:Лучистый кристалл 70