Superpower Battle Pet

[Nuclear Sewage + Transporting Treasures in the End of the World + War Pet Evolution] After the discharge of nuclear sewage, an accident caused the extinction of all humans in Country R. Chuchen happened to meet a highly intelligent octopus with the power of space transfer. Together with his war pets, he went on an adventure to Country R to obtain gold and silver treasures, and eventually became a super rich man. Because Country R angered the ancient gods, it was finally swallowed up and sunk by the ocean. From then on, Country R completely disappeared from the map... (This story is purely fictitious, any similarity is purely coincidental)