In the manga, the Holy Grail was upgraded to the Holy Moon Cálice during the Dream arc, and it allowed Usagi Tsukino to transform into Eternal Sailor Moon. In the anime, the Holy Moon Cálice was never discussed or given a name. It first appeared in episode 187 afterSailor Chibi Chibi Moon gave Eternal Sailor Moon the power up which allowed her to perform Silver Moon Crystal Power Kiss.