After Being Sealed for a Hundred Years, the Handyman Who Seizes the House Actually Has a System

The Demon Lord Nascent Soul was sealed for a hundred years, and before his death, he seized his body and became a low-level servant. Awakening to a strange system that does not cultivate spiritual power, but only strengthens the physical body! He looks like a humble handyman on the outside, but his demon soul is still there. The flesh-shattering spell, the mortal body to suppress the immortal cultivator, crush the hypocritical righteous path, and then reach the top of the demonic path!