Unblinking Flame Feint (Combat)Source Inner Sea Combat pg. 13 (Amazon)
You move as swiftly and unpredictably as a flickering flame, throwing your opponents off guard.
Prerequisites: Int 13, Wis 13, Combat Expertise, Perfect Style, base attack bonus +9 or monk level 9th.
Benefit: When using Perfect Style, you can use your Wisdom modifier in place of your Charisma modifier when attempting Bluff checks to feint. You can spend 1 ki point as a swift action to gain the benefits of Improved Feint for 1 round.Source Weapon Master's Handbook pg. 25 (Amazon)
You can spend 2 stamina points instead of 1 ki point when using Unblinking Flame Feint.