Mastery of Dreams

 
Prerequisite(s): Knowledge (the Planes) 2+ ranks, Spellcraft or Psicraft 9+ ranks.
 
Benefit:: By psychically exploring the realm of Dal Quor, you have learned to instill your spells with the stuff of dreams . . . and nightmares. Add +1 to the save DC of any illusion spell or spell with the fear descriptor that you cast.
 
Source: Player's Guide to Eberron