achtung cthulhu blauer kristall roleplaying dice setA set of custom made Achtung! Cthulhu 2d20 crystalline blue dice, made to represent the Blauer Kristall which both Nachtwlfe and the Mi Go crave, but which also contains a sinister secret lost in the mists of time. Constructed under the personal supervision of Mina Wolff, the head of the Night Wolves, roll these bones to pass your skill tests and determine your fate, as you battle the forces of the Nazi occult and the evil influence of the Mythos in