Normal: You grant a greater awareness of foes in the area, increasing an ally's ability to protect herself.

The target receives glimpses of future blows struck by enemies, granting it an insight bonus to AC equal to half your caster level.

Reverse: Your dire whispers seep into your foe's mind, disrupting its ability to defend itself.

The target also receives premonitions of future attacks - but those are false and misleading, granting it a penalty to AC equal to half your caster level.