Improved Kiai (Combat, Ki)

Your mighty shout produces a deafening shockwave.

Prerequisite(s): Wis 13, ki pool class feature or Ki Meditation, Kiai

Benefit(s): As a standard action, you can spend 1 or more point from your ki pool while uttering a mighty shout. Your kiai deals sonic damage equal to your Wisdom modifier and deafens creatures within 5 feet for 1 minute. A Fortitude save halves damage and negates deafness. The save DC is equal to 10 + your Wisdom modifier + 1/2 your character level. You can increase the radius of the effect by 5 feet per additional point you spend from your ki pool. By doubling the ki point cost, you can use Kiai as a swift action rather than a standard action.