Void Lightning

As void ronin let their passions grow wilder, their raw psionic force often manifests as bolts of black lightning that course through their manifestations. Whenever you would deal damage to a target using a psionic power or psionic attack, you may expend and roll any number of Dastardly Gambit dice, dealing extra lightning damage equal to the result. In addition, whenever you use a psionic power that has been surged, any targets damaged take an additional amount of lightning damage equal to your Charisma modifier.