A Taoist Priest's Journey to Immortality

(Semi-invincible, no system, no heroine, longevity novel) Shen Qingxuan, a Taoist priest in another world, unexpectedly gained immortality by relying on the heavenly secret map brought by the earth. So he entered the world of mortals with a sword, a mink, and a small courtyard. He realized the Tao on the top of the mountain and slayed evil spirits in the lake. Unexpectedly, he fell into a thousand-year puzzle and the truth of heaven was revealed. A thousand years of mortal world in just one moment. Looking back, I feel like a fairy.