Yoki

&nbsp Yōki (妖気, Demon Energy) is the energy of a Yoma. When a Claymore is created she assimilates the Yoma Yoki. The claymore used certain amount of Yoki to use special skills like increasing their strength and speed. Many Claymore used their yoki to make some special moves such as Irene's Flash Sword.

Release Levels

 * 10% release: Eyes change from silver to gold.
 * 30% release: Facial distortion.
 * 50% release: Whole body distorts.
 * 80% release: Theoretical limit, reversion to human form difficult, if not impossible.
 * 100% release: Full awakening.thumb|276px|right

Known Yoki moves

 * All Claymores special strength and speed
 * All Awakened Beings abilities
 * Irene's and Clare's Flash Sword
 * Helen's Extension of extremities
 * Miria's Phantom Images (After the 7 year time-skip, Yoki isn't required any longer for this move, however, it has decreased in overall speed)
 * Deneve's Regeneration
 * Ophelia's Rippling sword
 * Jean's Rotating arm
 * Undine's strength and muscles


 * Clare, Teresa, Galatea and Tabitha's exceptional Yoki reading and ability to manipulate Yoki
 * Rachel's strong sword
 * Rafatela' sensory control