Elf, I will become stronger if I exercise!

Introduction: [Muscles + System + Pets + Pokmon + Magic Modification] Many years later, Arceus, who had eighteen stone slabs, looked behind Wang Chong at the extremely The giant Charizard, standing next to it is a Gigantamax M-form lizard king whose muscles are not inferior to those of the Charizard. Surrounded by a group of elves that are more powerful than a first-level god. The two-meter-three-meter-tall Wang Chong, with muscles comparable to those of a Muscle Mosquito, stepped forward, touched Arceus's slate and asked, "Can I lend you the slate?" [This book is magically modified! Magical change! Magical change! Everything that seems unreasonable has an explanation behind it! ! ! 】