I Didn't Do Anything, Why Am I Invincible?

Lu Chen is the most inconspicuous outer disciple of Tianxuan Sect. His cultivation level is mediocre, his skills are average, and his biggest hobby every day is to go shopping in the market, pick up leaks, and make jokes with fat people. It took others ten years of hard training to break through one level, but he broke through two levels just by taking a walk. Others narrowly escaped death in the secret realm, but he picked up an ancient fairy sword during the walk. The young master of the Xiao family set up a triple kill to ambush him. The poison was taken away by the passing elders. The spirit beast turned against him and bit one of his own. The killer stepped on a spirit stone and slipped and knocked his companion unconscious. Lu Chen was walking beside him the whole time and had no idea that anyone had ambushed him. He is not looking for opportunity, opportunity is looking for him. But as his luck gradually unlocked, a truth that had been sealed for eternity began to surface - he was not lucky, he was the "self-healing mechanism" of Heaven. And those luck-stealers who have been dormant for thousands of years have already set their sights on this walking treasure house of luck...