I'm Obviously Super Fierce

My name is Xia Fan, Xia from summer, Fan from the mortal who descended from heaven. What I'm about to say, you must not laugh. I've transmigrated. But I hid in the deep mountains and lived in seclusion for ten years. Ten years! A full ten years! In those ten years, I didn't dare to leave even a single step. Do you know how I spent those years? In those ten years, I practiced desperately in the deep mountains every day, not to prove how powerful I am, but just to tell others. Don't mess with me! I'm super fierce!