Beast Control: I Rely on Exchange to Cultivate Divine Pets

The sacred dragon that soars in the sky, the terrifying sea monster that rides the ocean, the ancient behemoth that dominates the continent... They all have a common name - extraordinary creatures. Humans who cultivate extraordinary creatures through contracts are called beast masters. This is the age of beast masters and the age of beast masters. Lu Chen, a young man who traveled from a mysterious time and space, resolutely embarked on the unknown path of a beast master in order to explore the truth of the world. What strange encounter awaits him ahead?