179
The prop begins to splinter and break in two. A shudder runs through the floor, making you stumble and fall, but you quickly regain your footing. As you sprint to safety, a deluge of earth and stone pours into the tunnel behind. A shock wave from the blast hits you squarely in the back and flattens you to the floor; the air is choked with dust. You stagger to your feet and press on, but it takes you half an hour to reach a section of the tunnel where the air is clear and still and the torches are still burning.
