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Emerald Eye is an Encounter power available to Wizards at 6th level[AP:105]

Emerald Eye
Wizard Utility 6

A mote of green energy appears above you. A glaring, alien eye peers from it, giving you insight into your foe's true mature.

Encounter ✦ arcane

Target: One Creature

Effect: Until the end of your next turn, you gain a +5 power bonus to Insight checks against the target and a +2 power bonus to attack rolls against the target's Will.