Steal Spiritual Energy from the Start, Then Suppress a Nascent Soul Ancestor

【Mortal Cultivator + Decisive and Ruthless + Talisman Cultivator + Power Fantasy with a Strong Male Lead】 Across the Myriad Worlds, mighty beings play chess, with all things beneath heaven serving as their pieces. A lowly cultivator from one world, carrying a mysterious immortal mountain, suppresses his Nascent Soul master, who intends to steal his spiritual energy, then plunges headlong into the vast, brutal, perilous world of cultivation... When I take up the pieces, I will overturn the board and become the greatest immortal across the Myriad Worlds!