Black Clover: Season 1, Episode 64

1 - 64: The Red Thread of Fate

As promised, Asta and the others get rid of the invaders who attacked the Witches' Forest. However, the Queen of Witches was after Asta and his swords to begin with. She uses a spell to make Asta her puppet and tries to get him to kill his own friends. Vanessa begs the queen to stop, but she refuses. But in her helplessness, Vanessa ends up awakening to a new spell...