You can use diffused akasha to make your form appear hazy.
Prerequisites
Constitution 13 or veilweaver level 1, Intelligence 13, Combat Expertise, Improved Feint.
Benefit
You can invest essence into this feat.
When you successfully feint against an opponent in combat, that opponent suffers a 5% miss chance on attacks made against you until the start of your next turn. Each point of essence invested in this feat increases the miss chance by 5%.
True seeing negates this miss chance.
You gain 1 point of essence.