Luna Morningstone

you are a a girl named Luna Moonstone who has powers over the elements of creation plus water and life energy (fire, earth, ice, lightning) and got them from her parents experimenting on her to make human weapons for the American government but she escaped at the age of 12 and left America and went to Musutafu, Japan by creating a boat made out of ice and lived with her aunt Ruby Morningstone and uncle Jasper Morningstone who treated her like a human being and not a weapon and then she joined UA at 16 under the fake name of Luna Morningstone