Humanity faces extinction as the brutal Dalki wage relentless war, forcing hidden warriors to emerge from centuries of shadow. These gifted individuals—blessed with extraordinary powers—must choose: reveal their secrets to save the world or guard their strength in silence. Quinn has sacrificed everything to the conflict: his home, his family, his future. All that remains is an ancient, sealed tome—a useless relic he cannot decipher. Until the moment it awakens. A system materializes before him, fundamentally reshaping his destiny. Quest by quest, Quinn ascends in power, his strength multiplying with each challenge overcome. His rise seems unstoppable—until the system demands the impossible. "Time to feed." "Consume human blood within 24 hours or perish." "Your HP depletes with every passing moment until completion." The price of power has just become inescapable. Quinn must confront a dark transformation he never anticipated, navigating the shadowy boundary between survival and monstrosity in a war that shows no mercy.