@Zachiel I think that would be one of my complaints with 4e, they didn't bother to tighten up stuff like that
like seriously, recharging your power every round on a die roll? you gotta make everything more random?
to be fair, there are other recharge modes,.... but that also shows that they knew how to design other recharge modes and didn't need such a weird one
but who knows, I may be the only person all that bothered by that