Penalty Die

Penalty Die is a mechanical term and type of Die. Bonus Dice are any non-D20 or non-D100 Die that are added to a Dice Pool to reduce the Total of a pending Check, Attack, Save or Test.

Unlike Bonus Die, Penalty Die are unaffected by all Properties. They are effectively resolved in a separate Dice Pool, then applied to the pending Check, Attack, Save or Test.
These Die include, but are not limited to, the D4, D6, D8, D10, and D12. Common sources of Penalty Die include but are not limited to Jobs, Tools or Masteries.