Gatekeepers Mark( Dragonmarked, p. 140)
As a member of the Gatekeepers sect, you have learned how to use the power of your dragonmark to better fight.
Gatekeeper Initiate, any true dragonmark.,
Against aberrations, the saving throw DC of your spells increases by 2. In addition, you can spend 1 action point as an immediate action to gain a +4 insight bonus on one saving throw to resist the effect of an aberration's attack. The decision to spend the action point must be made before making the saving throw.