How good is she actually? (More advanced advice)

Hi there, I’ve been playing since soon after global released and feel like I’ve got a pretty good understanding of the game by now. I wanted to ask for some more advanced advice on here- below is the highest rated Uma I’ve got (by far), but I’ve come to learn the game’s score system isn’t actually the best indicator of performance (the first ever A+ I got was completely unusable because low stamina). I know she’s really good but I’d appreciate anyone pointing out any flaws and weak points for future training! (I know you can always improve with better support cards but keep in mind I am F2P)

I know is a bit different from normal advice request posts but I hope it doesn’t come off as bragging, I’m very very happy with her regardless!