Start by Testing the Medicine for Qin Shihuang and Gain a Thousand Years of Cultivation

Ye Lan traveled to the Qin Dynasty and thought that with the blessing of the system, he would be invincible in the world. Unexpectedly, he discovered that he was the illegitimate son of Qin Shihuang. Or a chess piece used to test medicine! After swallowing the elixir, Ye Lan fell asleep... When I woke up again, it was already two thousand years later. This... Traveled through loneliness? But... How come he has more than two thousand years of cultivation on his body? Isn't this... Invincible? Father! Can I dig up my ancestral graves?