After Killing Hundreds of Ghosts, Am I the Strongest Ghost?

Shen Ke was accidentally involved in an accident and signed a deal with a ghost by coincidence. Shen Ke can accept the blood of a ghost and further explore all the abilities of this ghost. The price is to sell your body. When the ghost blood in the body reaches a certain proportion, the body will be taken over by the ghost as your own. Of course Shen Ke is not willing to do this loss-making business, but it's not up to him. A series of events forced him to borrow the power of ghosts Control ghosts, kill ghosts, and finally become a ghost