I Became The Strongest Hunter And Humanity´s Last Hope

"I cannot die...I cannot die...I cannot die" was heard a voice drowned in a dark cave. Paul was lying on the ground covered in blood, two limbs missing. In the last moments of his team made up of grade D and C hunters against the Final Boss in charge of the dungeon, they were injured. On the verge of death and their despair, they decided to use Paul, who was the weakest hunter on the team, as bait so that the other members could escape. He was attacked at point-blank range by the Chief leaving him on the verge of death and in critical condition, at this point he should be dead, but he was alive due to his strong will not to leave his father alone in the hospital. Paul lay on the ground praying to whatever God existed to help him. He didn't know if miracles really existed, but he hoped one would happen to him so he could survive this situation. Suddenly, he heard a voice in his head. [Search complete.] [Checking compliance with the requirements]. [Requirements completed.] [Connecting the system to the host.] [1% ... 2% ... completed successfully.] [Host condition...seriously injured.] [Self-healing begins.] Welcome to the world of hunters!