Press the green flag twice and turn on turbo mode for best results. "Good luck sealing the darkness!" READ: This version is very buggy, so a remake will be made sometime in the future.
Thanks to the guy whose sheet music I borrowed. You can find them here: https://musescore.com/ds2/revali-thing And thanks to the composers Manaka Kataoka, Yasuaki Iwata, and Hajime Wakai.