His cloak was embroidered with frost, and he carried a huge icicle as his sceptre.

A metre or two below my feet was a fragile twenty-centimetre-wide ice bridge where a huge icicle had somehow frozen across the crevasse.

Huge icicles dripped from the ceiling, some longer than I was tall and wickedly sharp.

Huge icicles rimmed the entire roof, and their drips had frozen on the wall beneath them.