| Name | Prerequisites | Benefit |
|---|---|---|
| Karmic Strike | Dex 13, Combat Expertise, Dodge. | |
| Keen Strike | Str 23, Wis 23, Improved Critical (unarmed strike), Improved Unarmed Strike, Stunning fist, ki strike (adamantine). | The character's unarmed strike has a critical threat range of 18-20 and deals slashing damage (at the character's option any attack can deal bludgeoning damage, but cannot then take advantage of the enhanced threat range). This ability doesn't stack with other abilities that expand that character's unarmed strike's threat range. |
| Khyber's Fury | Devotion to the Cult of the Dragon Below, ability to rage or frenzy. | |
| Improved Ki Strike | Wis 21, ki strike (adamantine). | The character's unarmed strikes are treated as epic magic weapons for the purposes of damage reduction. |
| Kiai Shout | Cha 13, base attack bonus +1. | |
| Greater Kiai Shout | Cha 13, Kiai Shout, base attack bonus +9. | |
| Knifefighter | Bugbear (the Earthfast Mountains), chitine (Underdark [Yathchol]), goblin (the Earthfast Mountains), half-elf (Dambrath or the Dragon Coast), halfling (Channath Vale), hobgoblin (the Earthfast Mountains), human (Anauroch, Dambrath, the Lake of Steam, or the Sword Coast), orc (Thesk), or planetouched (Chessenta). | |
| Knight of Stars | ||
| Knock-Down | Base attack bonus +2, Improved Trip, Str 15. | Whenever you deal 10 or more points of damage to your opponent in melee, you make a trip attack as a free action against the same target. |