Upgrading Dice
To Upgrade a Die you simply replace the indicated Die in the Pool with the next Die as per the following progression system:
| D4 | > | D6 | > | D8 | > | D10 | > | D12 |
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If you have been granted an Upgrade but all of the Die in the Pool are already D12’s, then nothing happens. A Die cannot be Upgraded above D12.