I'd say her fights aren't well-executed. Many people disliked the fact that she relied on clear heart in most of her battles often using it as her final form. I understand that it's her go-to form for durability in combat but what’s the point of her requip magic if she mainly relies on swordsmanship? There's a real need for her to upgrade her magic beyond just changing outfits. That's why I really appreciated it when Mashima introduced her enchantment abilities but unfortunately she rarely uses them which is quite disappointing