Extract from Demonized by Christopher Fowler
He reached the bottom of the steps. His torchbeam reflected a fracturing moon of light; the flagstones were hand-deep in icy water. A series of low stone arches led beneath the ribbed vault of the main chamber. The splash of water boomed in the silent crypt.
With freezing legs and visible breath, he stood motionless, waiting for the ripples to subside. Something was wrong. Gillian might have lost her reason, but she would surely not have ventured down here alone. She knew the rats were good swimmers. It didn't make sense. Something was wrong.