The kai warrior is one with his inner energy and the world around them. They can take this universal energy, called kai, to protect and defend themselves.

Kai Mastery (2): Your control and discipline has imbued your spirit. Your Spirit (Kai) Point pool is now equal to double your Acumen.
Kai Fist (1, prerequisite Kai Mastery): You imbue your energy into your martial arts. Your unarmed strikes gain lethal 1d6+1 damage and gain the Bludgeoning specialA special success if the roll is equal to or less than 1/5 t... More.
Kai Protection (1, prerequisite Kai Mastery): You use 2 kai to form a protective force that flows over your skin. It gives you 1 AVThe numeric value representing how much damage armor absorbs... More, but you must not be impeded by any other armor. You can spend 2 more Kai to gain 1 AVThe numeric value representing how much damage armor absorbs... More up to AVThe numeric value representing how much damage armor absorbs... More 4. This effect lasts 8 hours.
Kai Dodge (1, prerequisite Kai Mastery): Dodging melee attacks is not difficultYour skill is halved when a task is harder than average, whi... More.
Kai Speed (1, prerequisite Kai Fist): Once per round, you may spend 1 kai to attack another time.
Focused Strike (1, prerequisite Kai Speed): Your unarmed strikes can cause Impaling.
Iron Fist (1, prerequisite Focused Strike): Your unarmed strikes become 2d6+2.
Pure Body (1, prerequisite Kai Protection): You may spend 1 kai to eliminate poison in your body. This takes a standard action.
Unsoiled Body (1, prerequisite Pure Body): You may spend 2 kai to cleanse yourself of any natural or magical disease. This takes 1 hour of meditation.
Floating Step (1, prerequisite Kai Speed): As a free action, you may spend 1 kai to move double your normal speed for a round. Your feet do not touch the ground when you do this, but you must have solid or liquid matter beneath you.
Fluttering Jump (1, prerequisite Floating Step): You may spend 1 kai to triple your jump.
The Lethal Hand (1, prerequisite Focused Strike): You may spend 3 kai to add an additional 3d6+3 damage to a successful unarmed strike.