Immortality: Start by Upgrading the Hundred Demon Spectrum

Living on the border for sixteen years, Su Yan could only survive in troubled times, until he collected the bones of a fallen senior in the deserted temple and accidentally opened the door to immortality. Refining demons to increase one's cultivation level, fulfilling one's last wish to inherit supernatural powers, mastering all the alchemy formations, and inheriting the lifelong inheritance from his predecessors. Dynasties are fighting for hegemony, surrounded by monsters. He fights steadily during the crisis, protecting his relatives and friends, slaying monsters and evil spirits. From a border refugee to a refugee, he climbs to the top of the immortal path step by step and controls immortality!