Chen Yi is dumped at the very start, but awakens the strongest system and the S-rank talent "Secret Realm Master," allowing him to contract with a divine dragon. He dominates the trials and takes first place, then establishes a merchant association to break the monopoly on medicine. During an expedition into a C-rank secret realm, he reveals the terrifying power of commanding multiple spirit beasts, subdues the divine dog Bone Dragon, and rescues Luo Hanshuang, embarking on an invincible path of beast taming!