I Have Been Killing Demons in the Demon Suppressing Cave for Eighteen Years

When he woke up, Su Anping became an ordinary disciple of Taixuan Qingxu Sect. In this world, monsters and demons run rampant, killing people like hemp and slaughtering the common people. Su Anping turns on the system and can get rewards as long as he kills the monsters. Rebirth Pill, Nine Transformations of Life and Death Fruit, Heaven and Earth Xuanhuang Immortal Body, Massacre of Gods, Heaven-reaching Immortal Sword... After eighteen years of slaying demons, he was invincible at birth!