Whisper growled, low, as they approached the structure.<em>Do you hear it?</em>she asked, telepathically.<br/><br/>Caiaphas wouldn't<em>hear</em>it, exactly, but could likely feel it in his bones; a low, subsonic rumbling, that seemed to fill the air, and got worse as they drew closer.<br/><br/>The interior of the metal spire appeared to be like a hollowed out geode; the walls were rough, crystalline shapes, of a variety of brilliant hues. The floor, on the other hand, seemed to be smoothly polished metal, flat except for an opening that looked like stairs, descending, in the middle.