Become a Ghost at the Beginning and Rely on Self-Mutilation to Become the Strongest Ghost

After traveling through time and becoming a ghost, I realized that pain is my talent tree. Suzuka Youren, a former member of the Demon Slayer Corps who was abandoned by his companions because of his cowardice and fear of death. At the moment when he turned into a ghost in despair, he swore a poisonous oath: "I will live longer than anyone else and watch you all die." But he didn't expect that a core from modern times would be replaced in his body. "Breathing technique? I've seen the whole set in comics in my previous life." "Vampire magic? Isn't it just energy absorption? It's very similar to the principle of entropy increase." "Self-mutilation in exchange for strength? Wait, this setting seems to be fun..." Thus, a ghost with a strange painting style was born: · Others rely on hard training to fight, but he first picks out one of his own eyes before fighting. · Others pursue clearing the level without injury, while he studies how to get injured most efficiently. · When Shangxian saw him, he turned around and ran away: "That crazy ghost is here again! He beat us harder than the Demon Slayers!" After a hundred years of lurking, he hunted in secret, formed an alliance with Zhu Shi, and perfected his own [Breath of Entropy] - injured eyes can see all things, injured ears can predict the future, and when the seven injuries are unified, it is the day when ghosts and gods are born. Until the final battle, Wuhan laughed wildly under the rising sun: "When the sun rises, you lose!" The worried Suzuka, whose whole body was broken, slowly stabbed the knife into his chest under the astonished eyes of all the pillars. "You are wrong." "My breathing method - the closer you get to death, the more you kill death."