Yet he saw no reason to fight, for that shrinking, white-faced pigmy crouching on the rock made no movement to offer him battle.

He saw that he could not go on, for the ledge was blocked by the mountain wall.

Had there been a trail the story might have been different for Langdon.

As it was, Thor disappeared slowly in the direction from which he had come, his great head hung low, his long claws click, click, clicking like ivory castanets as he went.
Not until then did it seem to Langdon that he breathed again, and that his heart resumed its beating.

He gave a great sobbing gasp.