Asta's five-leaf clover grimoire has the best of the two strongest species in the Black Clover universe — elves and devils.

Who has the strongest grimoire in black clover?

15 Asta Is The Most Powerful Of Them All

Yet, even without magic, he is the most powerful character of the series. Yes, he's the holder of the five-leaf clover grimoire that helps him defeat the worst demons.

Who owns the 5 leaf clover grimoire?

These five-leaf clover grimoires can be taken and possessed by devils, who use the books to manifest their true powers. Unlike ordinary grimoires, a five-leaf clover grimoire does not disintegrate upon its owner's death. Instead, it goes dormant until a new compatible user is born and comes of age.