Evil Below the Mines
When his familiar returns, Lucien reports that the other tunnel they passed leads only to a large empty cavern. "At least it would appear that there is nothing more to investigate behind us."
When the group comes to the next intersection and then decides to continue straight, he once again dispatches the owl to investigate the side tunnel for no more than five minutes before returning to report. "This is an impressively large mine. Kuiper, how long was this place active before it shut down?