In an era where beast mastery has descended upon the world, everyone has the chance to awaken a Beast Rune and summon mythical beasts. However, the nation of Da Xia is on the verge of collapse due to a break in its ancient civilization, leaving no one capable of summoning powerful beasts.Yang Yang, a transmigrator, starts by summoning creatures from the Classic of Mountains and Seas. The legendary beasts from the mythological text obey his command: Xing Tian steps across mountains and rivers, Zhu Long controls the sun and moon, and the Dragon Turtle shakes the heavens!With his terrifying talent and power, Yang Yang leads Da Xia to sweep across the globe, crushing other nations. The world is shocked: He’s not just a Beast Master; he’s the “Beast Overlord” who stands above heaven and earth!