The Song of Nostalgia - S1.E9

Finis, now in cloaked attire, is told by Bazra that her power of songs will achieve world domination, but she states that their prior agreement was for her to sing her Song of Mortality during the Starsong Festival. Rin, Pony, Monica and Allu realize that Finis has only been seen by a few knights of the Capital Army.