MTL-Starting off with Old Deng about to die? Have you really become the Dao Ancestor?!

Synopsis

When Chen Lin woke up, he found that he had not only changed his world, but also skipped puberty and became an old man in the royal family. What was even more terrible was that his life was coming to an end, and he was still thinking about enjoying his old age, but he found that the dynasty was facing disintegration and his plan was ruined. At this moment of despair, lines of handwriting suddenly floated in front of his eyes like a barrage of words----After countless years, Chen Lin looked at the countless fluttering dynasty flags and couldn't help but fall into deep thought." I just wanted to live a few more days, why did I become the ancestor of Taoism inexplicably! "