Primary Die

A Primary Die refers to either a D20 or D100, each being the central Die of their respective Dice Pools.

• The D20 is the Primary Die in Dice Pools for Checks, Attacks and Saves.
  
• The D100 ,consisting of 2 traditional polyhedral D10, the Die with double 0's representing the 1's and the Die with Results 10 - 90 representing the 10's, is the Primary Die in Dice Pools used for generating Tests.