Ghost Eyes is a heroic tier feat.
Your connection to the world of unseen things allows you to catch flickering glimpses of invisible creatures, helping you land blows that might otherwise go astray.[HoS:157]
Prerequisites: Wisdom 13
Benefit: You gain a +2 bonus to attack rolls against invisible creatures. In addition, you gain a +5 feat bonus to Perception checks actively made to find creatures that are hidden from you. [HoS:157]