Prehistoric: Xuanwu Clone, Starting from Laozi's Sanctification

Li Yu has traveled through time, and he still has one soul and two souls! One has no systematic cheats, and the other has no tyrannical background. Fortunately, there is a brother named Xuandu. What to do if there is no Lingbao? Find Xuandu! What should I do if I don't have any skills? Find Xuandu! What to do if there is no elixir? Find Xuandu! Unexpectedly, his reputation grew bigger and bigger, and he offended the Monster Clan, the West, and the Four Seas all over again. What should I do if I have trouble? Find... Xuandu: ".... Don't contact me again. I'm afraid the teacher will misunderstand me."