Grim Guardianess

The Grim Guardianess is a Heartless boss in Kingdom Hearts III. The Heartless of Mother Gothel, it is the final boss of the Kingdom of Corona.

Kingdom Hearts III
When Mother Gothel succumbs to darkness as she dies, Marluxia transforms her remains into a Heartless for Sora, Donald Duck, and Goofy to destroy, determining that her lingering presence would threaten Organization XIII's plans for Rapunzel. The trio fight and vanquish the Heartless outside Rapunzel's tower.