Sorry for copying @givemecookiesplease, but . . . use Arrow Keys to move Q - Pull out your Nichirin E First Form: Consecutive Fiery Slashes R Second Form: Icicle Slashes T Third Form: Fiery Claw Y Forth Form(without or with sword): Blizzard Blow
Thanks to @givemecookiesplease for the original project Darkness Breathing (my own breathing).