Lets be real, her design is just way too boring. A dress, a tiara and that's it? There's nothing interesting to her other than her weapon. Where's the uniqueness in this champion other than being a queen in a faction? Hell, she doesn't even look like a queen, but a princess who just got her powers and weapons, unless she's a young queen which that's fine. But there are so many ideas from cultures that she should've been
The Aztec wear these amazing head pieces, why didn't we give her one? Yes, she's an assassin, but that shouldn't stop her from wearing one. She's a Queen, and she should flaunt it. It doesn't even have to be big like these ones. A smaller headpiece would go a long way.
Marvel did a fucking amazing job with this culture. Yes it's fictional but damn there are so many great ideas from this.
Look at the colours and neck piece. It shows off the culture, yet still functional as a warrior piece. Look at the tribal paint. Minimal, yet effective. Look at the hair. It show's culture but uniqueness. The men's warrior outfits looks so simple but so effective as well. Wakanda effectively combines both modern and African culture and it just works so well.
Give her some body paint. Give her some tribal like warrior face paint. Give her a mini head piece. Give her something that just speaks Queen of her lands, the jungle and her culture, and maybe I would give her an interest.