Otherworldly Whispers

Warlock Invocation
Level: Least, 2nd lv.
Components: V, S
Casting Time: 1 standard action
Range: Self
Duration: 24 hours
Saving Throw: None
Spell Resistance: No

You hear whispers in your ears, revealing secrets of the multiverse. You gain a +6 bonus on Knowledge (arcana), Knowledge (religion), and Knowledge (the planes) checks for 24 hours.

(Complete Arcane, Page 134)