I! New to the Wasteland, Ultimate Evolution of S-Level Pets

As soon as he arrived in the wasteland, Su Chen saw a sika deer with seven or eight eyes, and almost everyone was gone. What should I do if I have no food or drink? There are mobs and beasts everywhere, how can you survive? Ding, congratulations to the host, successfully bound to the god-level pet evolution system "*Ma, there are mutated monsters everywhere, where can I catch pets?" Su Chen roared. Ding, caught the first pet, the car skeleton "Wha, what, this can be a pet?" D-level evolution requires 10 energy coins C-level evolution requires 30 energy coins B-level evolution requires 80 energy coins A-level evolution requires 200 energy coins S-level evolution requires 500 energy coins ………… Later, Su Chen said to people: "Even if it's a stone, I can evolve it into an S-class pet." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.