Complex sentence: At the end of the game, Amaterasu encounters Yami, the main antagonist and final boss of the game who resembles a small fish inside a huge sphere, whose design is altered through the different stages of the battle.
Split into simpler sentences: At the end of the game, Amaterasu encounters Yami, the main antagonist and final boss of the game. Yami resembles a small fish inside a huge sphere, whose design is altered through the different stages of the battle.