The Young Ancestor Goes Down the Mountain: Big Shots of the Three Realms Line Up Calling Me Grandfather

The protagonist, Luo Xiaoyu, appears to be a five-year-old child, but in truth is the Dao Ancestor who established the order of the three realms a thousand years ago and enlightened countless powerful beings. Growing bored on the mountain, he seals away his memories and ninety percent of his cultivation, then descends the mountain to experience life.