The Gatekeeper in the Ruins

The sky cracked and he sealed it. His comrades betrayed him and he survived. For three years, he was just a craftsman who carved monuments. Until a girl with extraterrestrial power knocked on his door—— He put down his hammer and headed north. In front of you are thousands of troops, and behind you is an abyss. And he only had a weak distraction and the physical strength of a stone carver. "What you have to do, just do it. It doesn't matter whether you have any cultivation level or not, whether you can fight or not." "The Story of the Ruins" - the story of an "ordinary person" saving the world.