Armed with a sledgehammer and a sense of grim necessity, Mark returned home. He and Sarah decided they couldn’t live another night without knowing what was behind that wall. They hired a local contractor, a rugged man named Elias who had seen everything in his thirty years of construction. He laughed when they told him about the cat, but his smile faded the moment he stepped into the basement. “The air’s wrong down here,” he muttered, pulling on his goggles.
As the first heavy blows fell against the bricks, the wall didn’t crumble like standard masonry. It cracked in large, jagged sheets, revealing a layer of lead lining hidden behind the clay. Elias stopped cold after the third swing, his hammer hanging limp in his hand. A rhythmic, mechanical clack-hiss echoed from the gap, sounding like a dying heartbeat. “I’m not touching that again,” Elias said, his face pale. “You don’t put lead in a basement wall…There’s something really bad here…”