Cheng Rusong transformed into the most useless contractor and was swallowed by a ferocious beast in the much-anticipated beast taming competition - everyone was waiting to see his body intact. No one knew that the old "Book of Mountains and Seas" in his arms was flashing crazily: Pixiu, Qiongqi, Jiufeng... The words turned into bloody contract charms and wrapped around his fingertips. When the monster that swallowed him suddenly crawled and trembled, the whole place was in an uproar. Cheng Rusong wiped the blood from the corner of his mouth and looked up at the golden figure in the sky: the king of ancient mythical beasts should be his first mount.