High Martial: You Were Told to Slay Demons, So Why Did You Become the Demon-Slaying War God?

The genius Chu Tian arrives through transmigration, accompanied by a System. In a parallel world, everything has changed. The age of high martial arts has dawned in the cities, spiritual qi has revived, and everyone can awaken a supernatural ability! When campus beauty Liu Ruyan confesses to him, Chu Tian awakens an S-rank ability right from the start: Infernal Demon Thunder! And that's not all: Chu Tian grows stronger by slaying demons! The demons everyone fears are nothing but nourishment to him! Others face powerful demons and barely escape with their lives! When he faces powerful demons, they are the ones who have no chance of survival! Others run from powerful demons. He only grows stronger the more he kills! He is simply terrifyingly powerful, absurdly strong... [Congratulations, Host. Your S-rank Infernal Demon Thunder has evolved into SS-rank Infernal Blood Thunder!] [Congratulations, Host. Your SS-rank Infernal Blood Thunder has evolved into SSS-rank World-Ending Divine Thunder!] An unparalleled genius rises against the odds to become a peerless Demon-Slaying War God. Years later, everyone is stunned, because: Lion-Marten Demon: My lord, feel free to kill us demons! Platinum Tiger Demon: My lord, you are the true peerless War God! Shadow Marten Demon: My lord, we demons are willing to serve you...