I'm a Nine-Leaf Sword Grass, and I've Shocked the Forbidden Zone for Ten Thousand Years

Qin Yao was reborn. He became a tiny nine-leaf grass sprout. From the start, he signed in and became an elixir of immortality. Fortunately, he was born in a restricted zone, where he could lie low and grow stronger. Signing in by the wall of the restricted zone’s medicine garden earned him the [Star River Aperture-Opening Pill]. Signing in at the hall of the Heavenly Sword Sect earned him the [Demonic Elephant Prison-Suppressing Strength]. Signing in at the edge of the Ten Phoenix Restricted Zone earned him the [Ancient Bronze Emperor Bell]. The restricted zones were full of treasures, and he could sign in anywhere. Afraid of being captured and refined into a pill, Qin Yao resolved not to leave the mountain until he was invincible. He kept signing in at the restricted zone for a full ten thousand years. A millennium later, a dark upheaval swept across the mortal world, and even the restricted zones could not escape its reach. Three Supreme Beings launched a brazen attack on the Ten Phoenix Restricted Zone, intending to pluck the elixir of immortality and refine it into a pill. There, they happened upon Qin Yao practicing his swordsmanship...