Egoista on Instagram: "Who is Asta Asta is the main protagonist of Black Clover, known for his loud personality, insane determination, and unbelievable physical strength. Key Facts About Asta • Orphan with no magic: In a world where everyone uses magic, Asta was born completely magicless — something extremely rare. • Anti-Magic Swords: Even without magic, he becomes unique because he can use swords that contain Anti-Magic, allowing him to cancel any spell. His main swords are: Demon-Slayer Sword