Empower Mystery
(Tome of Magic, page 136, DnD 3.5)
[Metashadow]
You can cast mysteries to greater effect.
Prerequisite
Any metashadow feat
Benefit
Once per day, you can apply the effect of the Empower Spell feat to any mystery you cast. All variable, numeric effects of an empowered mystery increase by onehalf. Casting an empowered mystery is a full-round action.
Special
You can take this feat multiple times.