For now, though, they stood before the cavern McAlister had described. If everything the guide had hinted were true, they were facing more immediate problems. Even without shifting to his astral perception, Sam felt the stirring he had come to associate with the presence of powerful magic. He sat down cross-legged and shifted perceptions. The cavern mouth remained a dark hole in the cliff, his astral senses offering no clues to what lay beyond. Ayer’s Rock itself buzzed with charged mana. He had no desire to assay the darkness within the cavern in astral form.