I! the Most Powerful Mage, the Demon Terminator

Nangong Wuming, a game maniac who has the best academic performance and considers his game level to be S-level, traveled to the world of Diablo in an accident. He was familiar with the background of Diablo and thrived in the game world. The Sinking Devil is the punching bag, the Bloodbird is the sparring partner, and Duriel is the stepping stone. Even Diablo has become the protagonist's best friend. Baal and Mephisto have become the protagonist's sworn friends. What they learned about the war is actually... After all the secrets are revealed, the real enemy turns out to be... Let's see how an ordinary person makes waves in the world of Diablo.