My Immortal Roots Were Taken Away, and I Returned with My Demonic Powers Invincible

[Urban Demonic Cultivation + Invincible Return + Decisive Killing + Passionate and Refreshing Article] When he was young, his top-grade immortal roots were snatched away, and he was thrown into the barren mountains to fend for himself. When he returned, he had entered the demonic path, standing at the pinnacle of the cultivation world, and was invincible!