Illyana Rasputin aka Magik in her classic New Mutants costume. I'm not sure why the leg armor shows up on the left leg instead of the right, but that's what you get with AI, I guess.

Triggers: magikoriginal, long hair, blonde hair, blue eyes, blunt bangs, ????????, belt, gloves, single shoulder armor, single gauntlet, asymmetrical legwear, sword, energy sword, boots