Testament said:It's closed content, so I won't say what it is, but its in Frostburn.
Krelios said:Not entirely true, you can post excerpts, but you certainly couldn't publish the whole book "for the sake of discussion."
Patryn of Elvenshae said:I think it gives you a bonus to Caster Level when you add additional components (somatic, verbal, and material) and extra casting time to a spell - if the feat is the same as the one printed in Magic of Faerun (?).
Basically, if you dance around, waving a fetish stick, and scream at the top of your lungs for a couple minutes, your Bless spell lasts longer.