I Was Engaged in Construction in the Ancient Times and Summoned the Mythical Beast at the Beginning

In a game called "Prehistoric", everyone is projected into the prehistoric world. There are floods, ferocious beasts, lichs, demons, savages everywhere... Ye Chen obtained the "Illustrated Book of Mountains and Seas" at the beginning. Get the health of auspicious animals, and increase grain production by 100%. Obtain the auspicious beast Yinglong, and the army's combat power will increase by 200%. Obtaining the ancient demon female ba, the red land lasts for a year, evaporating a large amount of flood water, forming a fertile field of thousands of miles. Get the ancient wizard Kuafu, get the mythical beast Black Turtle, get the mythical beast Candle Dragon … While others were still worrying about having enough to eat, Ye Chen's army, supported by the Kuilong drum, had already made waves thousands of miles away, killing the Ba Snake and officially establishing the Daxia Kingdom. When other people's tribes are finally upgraded to cities. Ye Chen has already killed the water demon Xiang Liu, excavated the Yangtze River and the Yellow River, and controlled the floods. A hundred years later, the Daxia Empire became the most powerful existence in the prehistoric world, and because of his great merits, he rode two dragons...