Human and monsters have lived in their separate worlds, but after the birth of Wuba, the last of the monster kings, begins the adventure to bring the two races together.Human and monsters have lived in their separate worlds, but after the birth of Wuba, the last of the monster kings, begins the adventure to bring the two races together.Human and monsters have lived in their separate worlds, but after the birth of Wuba, the last of the monster kings, begins the adventure to bring the two races together.