According to legend, there are two huge star realms between heaven and earth, the celestial realm where superpowers live and the mortal realm where ordinary people live. Everyone in the Heaven Realm has unusual abilities, and it is precisely because of this power that the people in the Heaven Realm invaded the Mortal Realm. That war was extremely tragic, but what is incredible is that the people of the Mortal Realm relied on their intelligent brains to create powerful machines, and finally ended up in a draw with the Heavenly Realm and reached a stalemate. In the end, the Heavenly Realm and the Mortal Realm agreed not to invade each other and immediately retreated, thus ending the war. However......