I, Who Owns the Tiandao Sword, Am Considered a Loser?

On the back mountain, a divine sword fell from the sky and penetrated into You Yong's spine, causing damage to his Dantian. Since then, his cultivation has not advanced but retreated. A generation of geniuses has fallen... The "mysterious" sacrifice, after family discussion, will be the useless You Yong... I thought I was certain to die, but I didn't expect that the divine sword had another secret...