10 Anime Heroines Who Were More Badass Than The Hero CBR Mereoleona Red is definitely among the most female heroes in the cartoon series, "Black Clover". Mereoleona is recognized for her extraordinary fire magic abilities along with her fierce character. Leo shows immense might and unrivaled battle moves, making her a formidable presence to be reckoned with on the battlefield. Mereoleona exemplifies true fighter spirit and is admired by numerous fans.