Resurrection of Spiritual Energy: I Am Violently Upgrading in the Apocalypse

In a world where aura has revived, demons attack the city, alien beasts roar, and humans struggle to survive in the endless darkness. Facing countless demons in front of him, Su Yue, who had traveled through time, was confused. Brother, I'm just an ordinary college student. The beginning is this difficult. How do I play with labor and capital? Fortunately, he got a perverted system. Ding~ Kill the lemure, and your combat power will increase by 10 points! Ding~ Kill the unicorn wolf and increase the combat power by 100 points! Ding~Kill Hydra and your combat power will increase by 1000 points! You can become stronger by killing, and you can level up by fighting. Between the flash of sword and the shadow of sword, Su Yue said: This feeling of getting more and more perverted the more you fight, it's so exciting! Ps: Invincible and cool article, see how the protagonist kills everything! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.