“Because they have their own ways to get around,” Ocellus answered, surprisingly relaxed for the danger that was obviously close. There was no light in the cavern, so no way for Sarah to see exactly how close. Ocellus had already made it clear that light spells would be a bad idea, and James hadn’t disobeyed that instruction. “We’ll be able to use them too, and ride to Irkalla. It won’t be as quick as a ship, but we can’t use the river without a navigator, and I know neither of you have the skills for that job.”