"If you say so" he said in response to Ash, speaking as a soldier who was trying to reason with a naive civilian. As long as she started leading them into the cliffs, he didn't really care what he had to listen to. In fact, the sooner the left the plains and those bound to be pursuing Tenneth behind, the better. If his allies wanted to drop the act as soon as they were in there, fine, they weren't going to listen to him for a long time after this anyway. He would just have to memorize the way back out so that they wouldn't become entangled in the maze.
Placing himself behind Durandel and Dey, Nova continued with "If you lead the way I'll bring up the rear", noticing her anxiety to get going.