[Feat] Moonlight Stalker

[Throndir]

Source: http://www.d20pfsrd.com/feats/combat-feats/moonlight-stalker-combat

Moonlight Stalker (Combat)
You are adept at using shadows to conceal your attacks.

Prerequisite: Int 13, Blind-Fight, Combat Expertise, Bluff 3 ranks, darkvision or low-light vision racial trait.

Benefit: While you have concealment from an opponent, you gain a +2 bonus on attack and damage rolls against that opponent.