The massive stone walls of the Ironclaw fortress, once built to keep the entire world out, had instantly turned into a giant, vertical slaughterhouse.The high tech mountain castle was completely enclosed to keep out the harsh northern winters. It had heavy blast doors, reinforced steel corridors, and deep underground bunkers. Now, those exact security features became a terrifying trap. The automated ventilation system continued to roar, pumping the dense, glowing purple gas into every locked room and hidden hallway, turning the safe haven into a claustrophobic maze of absolute horror.Inside the grand halls, the nightmare was spreading faster than the gas itself.The mutation did not care about love, loyalty, or bloodlines. The moment the northern wolves inhaled the purple mist, their minds died, leaving only a dark, rabid hunger. High-ranking warriors, who had spent their entire lives training to protect the pack, snapped inside their own living quarters.In the residential wings, t
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