The Key to Heaven's Way: In the Apocalypse, I Alone Cultivate Immortality with My Powers

(No harem, no clichés, no System, no mindless plot, detailed descriptions, tightly paced.) Could ordinary plants and animals turn into rampaging, eerie monsters at any moment? Were the myths passed down from ancient times actually real events? Had the apocalypse been averted only because the ancient sages had fought against the unknown eerie forces for ten thousand years? Did a group of extraordinary people with superpowers exist in this colorful world? The lucky ones awaken superpowers, while you alone cultivate immortality? A young man from a mountain village named Su Xiaoyin had his top score in the college entrance exam stolen, and was driven into a corner by fate. He was too weak to have any powerful connections, so all he could do was raise the saber in his hands. He became so powerful that he had no rivals, because while others had superpowers, he cultivated immortality. Just when he thought he was about to become an immortal and a god, everything began hurtling toward the destruction of the world...