Benefit: While you are using Blinded Blade Style
Improved Blind-Fight Melee attacks ignore the miss chance for less than total concealment. Invisible attackers within 30' you have pinpointed gain no advantages to hit you with ranged attacks.
Improved Unarmed Strike Unarmed strikes don't cause attacks of opportunity, and can be lethal.
Low-Light Vision See twice as far as a human in dim light, distinguishing color and detail.