I Exploited a Bug and Became the Game's Ultimate Cheat

When humanity is dragged into the Game of Ten Thousand Realms, Su Mubai is betrayed and left to die with a cursed body—his HP forever locked at one. But he's not out yet. An S-rank talent lets him upgrade any skill permanently by burning lifespan, and the first three uses are free. Three consecutive upgrades later, he's shattered the game's balance. Now, with a single HP and god-tier skills, Su Mubai will show his betrayers what it means to break the system.