Invincible System

Lin Ye traveled through the world of immortality and became recognized as a waste - unable to practice. Until he bound the [System]. While others have been practicing hard for hundreds of years, it is better for me to kill an inner demon; while the geniuses compete for the elixir, I hunt down the ancient resentful spirits in the depths of the secret realm. During the sect competition, he used his mortal body to smash the body-protecting aura of the Golden Core cultivator with one punch, and the whole place was completely silent. The demonic way invaded, and world-destroying grudges enveloped the world. When the monks were in despair, they saw Lin Ye rushing into the core with a knife in one hand. Three days later, he walked out with the core of the resentful spirit and upgraded it to five levels in a row. The Demon Lord vomited blood and collapsed: "The world-destroying beast that I have refined for a hundred years... Do you use it as an experience pack?!"