Ok, so this is a variation of the "Action Tree" theory many have put forward. Taking the ideas of the Actions & Traits system for PVP, and then making a mechanism to unlock a similar menu through various Main Story Quest, Side Quest, and Class/Job Quest options.
The idea would provide non-gear related "high level" options to all disciplines of magic and disciples of war, but instead of the unique powers used in PVP, would further enhance existing job/class actions, as appropriate to the average item level of the quests they overcome to unlock them. (currency/points like PVP profile Action Points would also be available)
Below are some suggested "Enhanced ______" options.