"I don't understand," Jake shouted. "What are they?" The volume of the singing had increased to the point where they could hear nothing else. Suddenly the ogre slammed his spear down, causing a sudden flash of light. When it cleared the singing was inaudible again.<br/><br/>"The spell won't hold them for long," the ogre said. "Run for the door and get through it, I'll be with you in a few moments."