Take up arms against unknown horrors in the Cohors Cthulhu 2d20 Roleplaying Game, with the official Atlantean Crystal Dice Set.

This dice set contains:

• Two twenty-sided dice with the Hidden Wars symbol on the 1 face.
• Four six-sided dice with damage results on the 1 & 2 faces, and the Hidden Wars symbol on the 5 & 6 faces, representing effects.