God plans to wipe out all the other Races with the exception of the humans. because humans are the only ones that provide God and his Angels power through faith and prayers. but the world needs the coexistence of all the Races to maintain the balance. so Draek Gran the 10th Dragon King along with his friends sets out on an adventure to gather the 4 heavenly keys so they can enter heaven and stop God's evil plan and protect the balance of the world.