The gunshot echoed through the underground chamber. Stone exploded above Marcus’s head. Fragments rained across the floor. “Down!” he shouted. Adrian had already moved. The instant the first shot rang out, he threw himself toward Elena. His arms wrapped around her as he drove both of them behind a thick stone pillar. A second bullet struck where Elena had been standing only moments earlier. The impact sent sparks across the ancient wall. Elena barely had time to breathe. “Adrian” “I’m here.” His voice remained calm despite the chaos surrounding them. “You stay behind me.” Marcus crawled toward the entrance, keeping his body low. Another shot cracked through the chamber. The bullet struck the floor inches from his hand. “Damn it.” He rolled behind an overturned wooden tabl

