The System Grants Immortality: the Starting Contract Lasts for Three Hundred Years

Lin Changge traveled through the world of immortality, but the system only gave him immortality, plus a bunch of weird functions like [Energy Absorption] and [Source of All Laws]. In order to survive, he chose to be the most low-key handyman in Xuantian Sect, cleaning toilets and feeding pigs every day for three hundred years. Until the sect competition, he casually picked up a piece of rusty iron from the side of the manure pit and gave it to the son of luck. Unexpectedly, it turned out to be a fragment of an ancient magic sword! It caused a demonic disaster that destroyed the sect and alerted the immortal envoys from the upper realm! When the pressure from the immortal came to erase the taboo, Lin Changge was busy feeding the pigs. The disciples cried out in despair, and the sect master prepared to die as a martyr. But Lin Changge silently picked up the bald broom in the corner, dipped it in some saliva, and lightly rubbed it against the broken sect-protecting formation—— The cracked sky was repaired. The immortal angel's purifying fairy light was extinguished by him with a ladle of excrement. He looked up at the confused immortal envoy, with a sincere expression on his face: "The door is being cleaned, why don't you go back first?" The immortal envoy was frightened and the magic sword recognized its master, leaving the whole sect dumbfounded. Lin Changge looked at the elders and disciples who were kneeling on the ground, and helplessly spread his hands: "I'm really just a sweeper." Until that day, a giant eye opened in the sky, and a cold voice declared that this world would be annihilated. Lin Changge finally sighed and pulled out a rusty... Interstellar battleship from under the toilet. "I originally wanted to get along with you as an ordinary person, but what I got in exchange was demolition." "Forget it, I'll show my hand." "I'll give this sect a 30% discount." "As for what you call invincible..."