Divine Pet Evolution System: Unlimited Contracts

From the start, all he has is a little earthworm. Becoming an unrivaled divine dragon depends entirely on leveling up and evolving with the System! [Ding! You awakened as a little earthworm from the start. The System has identified it as a divine dragon species!] [Ding! You contracted a big black ox, only to discover it's the Great Sage Who Pacifies Heaven, Bull Demon King!] [Ding! A nine-tailed demon fox traveled a thousand miles to find her husband and volunteered to be contracted!] [Ding! A monkey sprang from a stone. Only after contracting it did you learn it's the Great Sage Equal to Heaven, Sun Wukong!] [Ding! You acquired an unidentified beast egg. It hatched into an immortal bird!] Watch Duan Hongru, surrounded by peerless divine beasts, ascend to the pinnacle of beast mastery!