I Returned from Immortal Cultivation as the Ancestor. My Descendants Prosper While I Fight Evil

[The ancestor returns + all-around powerhouse + protect the family and nation + trials in the mortal world + a long line of descendants]

After losing his family in a time of chaos, Wei Wuya met an immortal master and cultivated for a hundred and twenty years. Unable to let go of his attachments, he returned to the mortal world and became an ancestor in a modern city! Dressed in plain clothes but carrying an immortal's bearing, he is surrounded by descendants who can coast to success without worry. He punishes evil, upholds justice, vanquishes demons, and teaches anyone who dares defy him a lesson. With his immortal strength, he protects his family and country!