Transmigrated as Xu Fu: I Gave the First Emperor the Elixir of Immortality

What happens when you transmigrate as Xu Fu, the legendary alchemist tasked with finding immortality? One moment I'm offering the elixir to the First Emperor of Qin, the next a rogue system detonates me into oblivion! Worth it, I thought, watching Prince Fusu weep at my funeral. But then the Emperor declares black the empire's sacred color after seeing my soul banner's dark smoke... and suddenly an army of cultivation masters wreathed in black qi erupts from the Great Qin. As history spirals into chaos, Xu Fu realizes he's unleashed something far beyond immortality—he's turned ancient China in…