Mistakes are a big part of life and can happen to anyone, including large gaming companies like Riot Games. Over the past few patches, players have experienced champions receiving buffs that have entirely changed their win and pick tes, like Annie. And there have been two champion reworks that have been released too strongly.
As such, both Aurelion Sol and Yuumi have undergone nerfs since their reworks, and in Aurelion Sol’s case, he was even temporily removed from the game. Despite the negative feedback surrounding these champs, they still perform exceptionally well on the Rift and in the Howling Abyss.