The Hamster Devourer's Revenge

Evan Hart was abandoned by girlfriend Celeste Channing after awakening a D-rank Beast Soul, exiled to Beastfall Mountains by city lord. He bound the Infinite Evolution System, devouring beasts to evolve, gaining A/S+-rank Beast Souls. Returning to Spiritveil City, Evan faces old enemies' mockery, revealing terrifying combat power and top-tier Beast Souls, shocking all, kicking off a revenge spree.