Mastery of Dreams

(Player's Guide to Eberron, page 125, DnD 3.5)

[General]

By psychically exploring the realm of Dal Quor, you have learned to instill your spells with the stuff of dreams . . . and nightmares.

Prerequisite

Knowledge (the planes) 4 ranks, Spellcraft or Psicraft 9 ranks

Benefit

Add +1 to the save DC of any illusion spell or spell with the fear descriptor that you cast.