Vision Sharpened

Level: 3
Duration: 5 rounds
Saving Throw: None
Normal: Your ally can see the unseen in the warp and weft of air nearby.
The target of this utterance gains the effect of a see invisibility spell (PH 275). Your target cannot discern details of the creatures he sees, but the air around the invisible creatures seems to warp, allowing your target to pinpoint the creatures’ location and strike at them accurately.
Reverse: With the reverse of this utterance, your target disappears from view.
This utterance duplicates the effect of an invisibility spell (PH 245) for one target, who fades into nothingness after a second or two.