Clifton Hill said this quote

But then he saw it, then he saw what he had known he was seeing and could not accept. There in the night, amid the mist, upon the flat of the plains, the shimmer of light from Allear was not right. The grasses were too flat, the mists curled awkwardly, as if impeded by some large mass and then the glamor was gone, the trick revealed. And before Thorin’s very eyes, a mass of soldiers appeared — thousands of them — wearing black and facing his camp. Doom settled around Thorin like some shroud for a watery grave. “Ah, bloody hell.