I Sacrificed My Life for Others to Practice Martial Arts, and I Became Invincible? !

In the 381st year of the Great Qian calendar, Gu Zhi traveled through time and became an inspection officer in the border area. ——At this time, the country's fortunes in Daqian are declining and the demons are in trouble! Gu Zhi unexpectedly discovered that after killing a demon, he could obtain the opponent's cultivation level! Kill the monsters in the martial arts realm, gain a hundred years of cultivation, and perfect the art of looking at the breath! Kill the monster at the peak of the martial arts realm and gain three hundred years of cultivation! Yuqing's physical training technique is perfect! Kill the giant turtle at the pinnacle of the Martial Spirit Realm and gain 1,500 years of cultivation! Obtain fifteen years of demon essence! Gu Zhi: This brother, I see that your cultivation is destined for me! All the demon kings: If others practice martial arts, your life will be sacrificed. Forget it if you sacrifice yours, why not sacrifice ours? ! ! ! In the 400th year of the Daqian calendar, thirteen demon kings joined forces to knock on Qingzhou, and the lives of tens of millions of people in the state were hanging on by a thread! Gu Zhi came dressed in white and came with a sword. He fought against the thirteen demon kings alone and rejected them with one sword! ——"With me, the human race will never be destroyed!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.