10 Anime Heroines Who Were More Badass Than The Hero CBRMereoleona Vermillion is definitely one of the most talented lady warriors in the cartoon series, "Black Clover". Leo is recognized for her extraordinary fire magic skills and her fierce personality. She shows huge might and unrivaled battle skills, making her a formidable presence to be reckoned with on the battlefield. Mereoleona embodies genuine warrior spirit and is admired by numerous fans.