The Dragon Only Wants to Be in the Water and Does Not Like to Stay in the Wilderness

My name is Zhuming, a real dragon. People call it Zhu Jiu Yin, yes, the Zhu Jiu Yin who is Yin nine times. At the beginning of the world, in the Fifth Tai Era, the Long Han catastrophe had not yet come. In this barbaric world, Zhu Jiuyin, a certain Boring Water Group's sage, suddenly had a whim. Is the prehistoric treasure of heaven and earth more powerful in refining poison?