My Martial Arts Know No Limits

Demons ran rampant in the world, and the strong of the human race were cursed to death by demons. This curse was passed down through the bloodline, unless one surrendered to the demons, otherwise, they would not live beyond forty years old.Jiang Jiuque, whose predecessor died due to the curse, transmigrated and became the keeper of the demon prison in the Demon Suppression Hall, handling some demons regularly."You killed a low-level demon and received a low-level enlightenment for one hour.""In a state of low-level enlightenment, knowing right from wrong and understanding yourself, you realize that the Heavenly Dipper Boy Skill has flaws, and you modify it into a more suitable path for yourself.""From the treasure bone, you comprehend one mind, two uses, and the Heavenly Dipper Boy Skill transforms into the Diamond Body-Unbreakable Divine Skill.""You kill a mid-level demon and receive mid-level enlightenment for one day...""Your Diamond Body-Unbreakable Divine Skill transforms into the Heavenly Dipper Great Sun Undying Divine Skill.""Your overbearing blade, ..."