By spending his lifespan to empower martial arts, he can refine them endlessly.
Li Changfeng can gain the remaining lifespan of designated demons and monsters by slaying them.
He draws his sword in a world overrun by demons and monsters, striking terror into the hearts of these beings who have lived for hundreds or thousands of years!
From [Green Pine Sword Art] to [Seven Swords That Sever Heaven], from [Everlasting Spring Art] to [Myriad Tribulations Golden Body]!
Sometimes Li Changfeng wonders: why does his lifespan keep growing the more he uses it?
(Also known as One Sword Slays Demons, Half a Step from Immortality and Just One Year Left to Live from the Start, the System Makes Me Slay Demons and Exorcise Evil)