Complex sentence: The player character is killed at the beginning of the game, fights out of hell, and is reborn on earth in the midst of the apocalypse, which the band is tasked with stopping by defeating Gore Quaffer in a Battle of the Bands.
Split into simpler sentences: The player character is killed at the beginning of the game, fights out of hell, and is reborn on earth in the midst of the apocalypse. The band is tasked with stopping the apocalypse by defeating Gore Quaffer in a Battle of the Bands.