I'm a Villain! the Beginning and the Protagonist's Secret Code

The protagonist travels to a world where spiritual energy is revived. I got the system by accident, but was told that I need to sign in for ten years before it can be activated. Ten years later, it was finally activated, but the protagonist of the novel was looking for trouble? It just so happened that the system issued the first task. Kill the time traveler? In order to confirm that the other party was a time traveler, Lin Qing began to exchange secret codes with the other party without saying a word. "The king of heaven covers the tiger of the earth, the chicken stews with mushrooms!" After erasing the protagonist, you will receive the reward. "The Ancient Dragon Elephant Art: An ancient level physical combat method! It can rival gods and demons!" "The vast aura space: the aura level is ten thousand times greater than the outside world!" Then, he discovered that this system has always wanted to cause trouble, a proper villain system! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.