The deafening clatter of hooves rang through the tunnel as they sprinted away from the cavern. Flora’s sides heaved with exertion the longer they ran, but they dared not stop in case Percy and Lujayn failed to stop the skeletal beast from following them. After some time, the tunnel narrowed and a series of smaller caves began to branch off from the main hall. Some of the entrances were the rough, craggy rock that seemed to pervade most of this area of the dungeon. Others were archway...