I, the Broken-Armed Sword God, Can Increase My Cultivation Level by Killing Demons

He traveled to a fantasy world full of demons and became a disciple of the Shushan Sword Sect. He lost an arm due to a battle with demons and became a sweeper in front of the Ten Thousand Demons Tower in the back mountain. At the same time, you get the explosive cultivation system. As long as you kill the monster, you can explode the monster's cultivation and use it for your own use! Kill ordinary demons and reveal three years of ordinary cultivation! Kill the demon leader and reveal ten years of genius cultivation! Kill the demon king and reveal the world's genius talent! Kill... … In this way, while working as a door sweeper, he went to the Tower of Ten Thousand Demons to kill demons, revealing countless cultivation levels and improving his realm crazily. On this day, demons wreaked havoc in the eight wastelands and invaded the Shushan Sword Sect. No one in the Sword Sect could defeat it! Countless demons rushed into the Tower of Ten Thousand Demons, about to release countless demons that have lasted for millions of years! But they found that the entire tower was empty! What greeted them was the sword that destroyed the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.