The Black Cauldron (1985)

'The Black Cauldron' is an animated fantasy film that follows a young boy named Taran on a quest to stop the evil Horned King from using a magical cauldron to conquer the land of Prydain. Along the way, Taran is joined by a princess named Eilonwy, a bard named Fflewddur Fflam, and a creature named Gurgi. Together, they must confront their fears and overcome obstacles to prevent the cauldron from bringing about destruction and darkness.