The grisly anthropomorphisation of a rockfall…
A permanently frozen lake, high in the Askharnn mountains, associated with the strange legend of the Amethyst Dragon.
What if the sources of precious metal in the realm all failed, so that the only sources for gold and other precious metal were hostile foreign lands? Gold coinage might become increasingly rare, resulting in hoarding. Player characters that appear with masses of treasure might be suspected of being in the pay of foreign powers.