Eldritch Mark

 
Prerequisite(s):Spell Focus (Evocation), any Least, Lesser, Greater, Siberys, Aberrant, Lesser Aberrant or Greater Aberrant Dragonmark
 
Benefit: When you cast an evocation, you can spend 1 action point to empower the spell as if by the Empower Spell feat, but with no increase in casting time or spell level.
 
Source: Dragonmarked