10 Anime Heroines Who Were More Badass Than The Hero CBRLeo Vermillion is definitely among the most talented lady heroes in the cartoon series, "Black Clover". Mereoleona is known for her exceptional fire magic skills along with her fierce personality. Leo demonstrates immense strength and unmatched battle skills, making her a formidable presence to be reckoned with on the battlefield. Leo exemplifies true warrior spirit and is admired by many fans.