Weird Cultivation of Immortality: Others Spend Money on Me, but I Spend My Life on It

When Qin Feng woke up, he unexpectedly came to a world where monsters and ghosts were rampant. At the beginning, he was treated as a humanoid blood bag and was also haunted by resentful ghosts. Moreover, the cultivator was about to be assimilated by the monster. Faced with such a dangerous situation, he accidentally awakened the system. The mysterious iron book, the strange flow of cultivating immortals, and the mysterious bloody curse All these mysteries need to be solved by Qin Feng. However, all Kung Fu, martial arts, elixirs, and magic weapons can be redeemed through the system, but the only consumption is Qin Feng's lifespan. The mysterious ghosts, monsters and gods, the human race struggling to survive, the mysterious and dangerous realm of monsters and beasts, everyone is welcome to enter the whole weird world of immortality with Qin Feng.