What type of bug are you reporting? Mechanics
What is the bug?
https://replay.pokemonshowdown.com/gen9anythinggoes-2110778560-56216hirmvx1j8po5rzr2g6ooeequ08pw
After Calyrex-S got KOed the sprite didn't changed and was still showed as full health even after getting KOed, game still done...