Once Harry wins the Golden Cauldron, Sirius's spirit finds itself at peace after Harry defeated Voldemort in a magic duel, and he congratulates them wholeheartedly for both obtaining it and brewing the Potion of All Potential.
Sirius's spirit finds itself at peace. Harry defeated Voldemort in a magic duel. Harry wins the Golden Cauldron. He congratulates them wholeheartedly for both obtaining it and brewing the Potion of All Potential. Harry wins the Golden Cauldron.