Aerich cleared his throat. "Does anyone have any..." a pause while he fumbles for words, "etheric ability that allows for remote viewing of places? Or do we know of defenses other than the guards?"

Look, sorcerous protections (and the arms race that comes from others trying to counter those) are a part of his home culture. A random labor camp might not merit such defenses, depending on how common they were, but it is worth asking.