Unlimited Upgrades Starting from Demon Slayer Division

When he woke up, Han Xiao traveled to another world and became an executioner in the Tianlao Execution Center, awakening the God of Death System. As long as you kill, you will be rewarded! "Kill strange people, reward Yuan Dan, and increase internal energy..." "Kill the strange man and you will be rewarded with the magical power of five-meter transformation. You can travel freely within a five-meter range..." "Kill the warrior and you will be rewarded with the magical power of lightless invisibility. As long as there is no light, you can be perfectly invisible..." "Kill the fox demon and you will be rewarded with a human puppet, which can be transformed into..." From then on, in this troubled world full of monsters, monsters, strange people and strange people, Han Xiao became stronger and stronger with more killings, no taboos, and ran rampant in the world!