Soul Link

An ability involving two Claymores in which one awakens, the other contains the soul of the awakened Claymore. This allows the one who awakened to revert back to human form, therefore allowing for controlled awakening.

Users
User: Luciela and Rafaela (failed attempt), Alicia and Beth (Successful attempt), the new unnamed Soul Link twins, advanced over Alicia and Beth since they are able switch the awakening giving a huge advantage over just one awakened one and the other controlling it, making an easy target for the opponent.

Soul Link Attempts
The first attempt was Luciela and Rafaela (sisters) The original experiment fails with Luciela, when her younger sister, Rafaela, accidentally breaks their link. The fully awakened Luciela becomes the third Abyssal One thus earning her name Luciela of the South.

The second experiment uses identical twins, Alicia and Beth, raised by the Organization from infancy. Galatea thinks this is a repeat of the first, and uses the phrase "Soul Link". But Rubel reveals the twins have lost almost all individuality (almost no "self" or intellect) and are of one merged-soul - a two-body Claymore in effect.

The third experiment used new identical twins, the Organization crushed their minds at a younger age than Alicia and Beth and these twins can alternate between the awakened or control state - an advance over Alicia and Beth.