A Character die that rolls an energy face can be moved to the Reserve Pool.
General DiscussionAbilities that roll/reroll dice in the Used Pile and do not specifically state where to move those dice depending what face is showing fall into 3 categories:
(1) If the ability has a player check the result and do something other than just moving the die because of that result (aka a ‘roll and check’ action), the die remains in the Used Pile per the following rules:
Rule 1.6.10 If the rerolling of a die requires you to check the result, the rerolled die does not change its status until the ability is resolved. The rerolled die returns to the play area it was originally located, unless otherwise stated.
Rule 2.5.1 Dice rerolled outside of the Roll and Reroll Step stay in the same play area they were in unless: (a) otherwise stated in an ability to move to a different play area based on the resulting rerolled face, or (b) the die is in a play area that, based on the die face, it cannot legally be located (e.g. a die on an energy face in the Field Zone).
{Conner Kent: Tactile Telekinesis and Harley Quinn: Vengeance Unlimited are examples of this category.}
(2) If the ability can be applied only by an Active player and is not only a “roll and check’ action, move the die to the Reserve Pool. From there the player may field that die (paying any applicable fielding costs) or subsequently spend the energy. {Sheriff Strange: Peacekeeper is an example of this category.}
(3) If the ability can be applied by either the Active or Inactive player (e.g. a Global ability) and is not only a “roll and check’ action, then the Active player follows point (2) above and the Inactive player could move the die to the Reserve Pool only if it rolled an energy face per the following rule:
Rule 1.5.4.3 During your opponent's turn, only dice on an energy face can be in the Reserve Pool.
{The global from Stormbreaker Ray: Korbinite when the rolled die shows an energy face is an example of this category.}