She finds a handful of the rock small enough to pick up. They don't pulse quite as strongly as the ones rooted to the ground, but they do give off a steady glow and are quite warm to the touch.<br/><br/>There are several door outlines along the surface of the structure. Two are large enough for a couple ogres or riders on horseback to fit through. Next to them is a more human sized entrance, though still tall and broad. Painted next to it are the luminescent words "Blackstone Trading Post" in Undercommon.<br/><br/>It opens into a large foyer. The room is dark, only a bit of light showing from a booth  in the corner, and it's boxed shape makes it much more dreary than the dynamic caverns outside. There are several other doors dotting around the room. In the booth, there is seated a kobold with green skin, busily tearing through paperwork.<br/><br/>A snort alerts her to a stocky lizardman to her left, behind the open door. There are two other such guards posted in the room, though none of them pay her much heed as she isn't really posing a threat at the moment.<br/><br/>The kobold's eyes flick up to see the newcomers, but then quickly return to its work.