"Breath of the World - SiIvaGunner: King for Another Day" is a high quality rip of "Breath of the World" from SiIvaGunner: King for Another Day. It represents the King for Another Day Tournament contender Nintendo Power.
This is an arrangement of "Zelda's Lullaby" from the The Legend of Zelda series, done in the style of The Legend of Zelda: Breath of the Wild. Starting at 0:23, elements and vocals from "Weight of the World" from NieR: Automata are also incorporated.
