A Gamer's Bloody Revenge.

Once a kind man, now a devil. After killing the boss in the final stage, Karma was betrayed by his teammates and met his end. Now, back to the past with all of his memories, knowledge, and skills. He swore for vengeance and will dominate the game. ---------- This novel is original, not a translation or adaptation of any works. Every 50 power stones, I will release one extra chapter.