A cold wind swept down from the moor and set us shivering. Somewhere there, on that desolate plain, was lurking a fiendish man, hiding in a burrow like a wild beast, his heart full of malignancy against the whole race which had cast him out. It needed but this to complete the grim suggestiveness of the barren waste, the chilling wind, and the darkening sky.
Which word best describes the mood the writer is trying to create in this description?