====== Definitions ======

===== Overdrive Pool =====
  * Motes can only be used to activate offensive charms
  * Charms activated must be duration 1 action or less
  * Charms paid for from this pool do not count as charm activations but must obey combo rules
  * Motes dissipate after one scene by default
  * Multiple overdrive pool sources -- sizes stack but may be no bigger than 25 total