Xuan Huan: He's so Fierce, How Come He Gets Stronger the More He Kills?

Qin Feng traveled to another world and obtained the immortality system. Immortality, eternal life. If you die, you can be resurrected by consuming your lifespan, and you can also increase your cultivation level. So—— Qin Feng embarked on a road to seek death. Wherever there is injustice, there is Qin Feng. Die once to become a street fighter, die ten thousand times to become a peerless warrior! The villain was horrified: He was so fierce, why did Qin Feng get stronger as he killed? Gradually, there is a legend among the monks. There is a mysterious family in the world. Only one person is born in the family at a time. He comes to eliminate the injustice in the world. He will not forget his true heart even if he dies. Moreover, after the death of the young and the old, the cultivation becomes more powerful and terrifying...