The Strongest Villain Is His Ancestor

Di Hao died and traveled to Qinglong Continent, where he accidentally gave birth to a son. Sons beget grandsons, grandsons beget great-grandsons, there are endless descendants, all of them are little devils, and each generation becomes stronger than the last. The protagonist found that he couldn't defeat these little villains, so he decided to gain a level and a treasure from his ancestor, Di Hao, but he was beaten in the face.