Algernon led the security teams into the tunnels, making sure to set up traps to hold their target should he manage to get past them. The path they were taking led directly into the main chamber where the monolithic stone face of the House Founder lay. Just as they were reaching the junction that would take them towards the main portal, there was the sharp retort of a ceiling collapse ahead of them. Dust and small particles pelted them as they made a quick retreat to take cover. Croaker sent someone ahead to investigate. When the agent returned, he sadly reported that the passageway was blocked completely.