Improved Draconic Aura

 
Prerequisite(s): Draconic Aura, any True Dragonmark
 
Benefit: You can spend one action point as a swift action to increase the bonus granted by your draconic aura for one round. The bonus increase depends on the strength of your dragonmark: Least: +1, Lesser: +2, Greater: +3, Siberys: +4.
 
Source: Dragonmarked