Strange Recovery, I Can Upgrade Everything

The blue charm is like a demon, the scarlet is like blood, the scarlet blue moon stares at the world, the weirdness begins to revive, the gods and Buddhas begin to come, welcome to the weird world. Xu Xian was killed by a ghost and could not escape death. Fortunately, he got the "I Can Upgrade Everything System" and started the upgrade journey in the strange world. You got a sharp butcher's knife. Upgrade it to kill evil ghosts easily. You have obtained a mysterious piece of human skin paper. Upgrade it to enter the door to a new world. You have obtained a useless boxing book. Upgrade it to practice supreme boxing techniques. While others are working their butts off, you can become stronger just by lying down. When others are licking your *in front of others, the mysterious white snake comes to you. While others were still worshiping at the gate of immortality, they became disciples of Bodhi. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.