I, the Demon Suppressor's Executioner, Become Stronger by Beheading Me

Zhou Dao travels through the era of high martial arts and is bound to the "Evil-Slaying Merit" system. As long as the sin is beheaded, various abilities can be obtained. Kill the B-level sin and gain 1000 health. Kill A-level sins, martial arts realm 1. Kill S-level evil, martial arts magical power 1. Kill SS-level evil, martial arts rule 1. Kill SSS-level evil, the will of the world 1. Where can you kill the most evil and be most efficient? Naturally, it is the Xiaguozhen Demon Prison. After graduating from high school, everyone else was preparing for the college entrance examination, but Zhou Dao did the opposite and became the executioner. Countless years later, when the classmates reunited, Zhou Daoyi was the number one in the world of martial arts. One person, one sword and two feet can kill all the evil in the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.