Complex sentence: Link, however, pursues the evil form inside, to find a mystical world, where 4 children, each bearing one of the Boss Masks, run and play, while a fifth child sits alone by a tree, wearing Majora's Mask.
Split into simpler sentences: Link, however, pursues the evil form inside to find a mystical world where four children, each bearing one of the Boss Masks, run and play. A fifth child sits alone by a tree, wearing Majora's Mask.