Black Clover (tv) Episode 64 -

: This magic takes the form of a small red thread cat named Rouge. It possesses the "broken" ability to change destiny by touching allies, effectively rewinding unfavorable events (like death) to create a safer outcome.

: The Queen attempts to control this power, but she fails because the magic is fueled by Vanessa’s bonds—something the Queen lacks. This leads to the Queen's first major moment of vulnerability as she is forced to concede. Community Insights & Trivia

: Pushed to her limits by the Witch Queen, Vanessa’s desire to protect her "family"—the Black Bulls—causes her grimoire to manifest a new spell: The Red Thread of Fate .