The Obsidian Vault rose from the mountain like a black fang, its surface absorbing the moonlight.
Axel studied it through his scope, his breath forming clouds in the cold air. The facility was massive, its walls lined with cameras, its gates patrolled by armed men. It was the heart of the inner circle's operations, the place where their leader was hiding.
"Security is tight," Vance said through the earpiece. "They've got biometric scanners on every floor, motion sensors in the halls, and armed guards on rotation. Getting in is going to be a nightmare."
"Then we make it a nightmare for them." Axel's voice was flat. "What's the weak point?"
"The ventilation system. It runs through the entire facility, and it's not monitored as heavily as the rest of the building. If we can get into the m
