The muscular and aggressive no. 11, Undine uses two swords and had used Youki energy to enhance her muscles.

A village is gripped by fear and paranoia when a Yoma claims six lives. The Claymore who is sent to slay the creature isn't what the villagers expect at all. In fact, she seems more monster than human. (Source: Viz Media)
 
Note: Includes 4 extra chapters.

A brutal scourge stalks the land. Yoma, monsters driven by a hunger satisfied by only one quarry - Humanity. The dark breed knows but a singular foe: Claymore. Human-Yoma hybrids of extraordinary strength and cunning, the Claymores roam from skirmish to skirmish delivering salvation by the edge of a blade. 
 
Thus begins the twisting tale of Clare, one such sister of the sword driven by pain in both victory and defeat. A child silent and suffering hidden in her past, Clare's march toward vengeance unfolds along a path marked by violence, solitude and scorn. In a land where even the predator is prey, the haunted hearts of hunter and hunted alike wear the scars of the age. 
 
(Source: Funimation)

A voice actress and producer specializing in televised anime. Harp was hired by FUNimation Entertainment in 2003 to voice the character of Tweedledee in Kiddy Grade. Since then, her work has included Sei in Burst Angel, Sanae in Akira Kurosawa's Samurai 7, Hibari Ginza in Speed Grapher and additional roles in Yu Yu Hakusho, Spiral, Fullmetal Alchemist, Case Closed, Desert Punk, Baki the Grappler, The Galaxy Railways, Negima, and BECK.    Her portrayal as Hibari Ginza in the 2006-2007 release of Speed Grapher won her an award in the ADR Awards as voted by members of the websites Dub Review and Anime on DVD.    Harp is also the inspiration for Aubrey Chorde, one of the main characters in the webcomic Something Positive by her friend R.K. Milholland. He claims he decided to make the comic after she told him to do "something positive" with his life. She currently lives and works in the Dallas/Ft. Worth area of Texas. Her hobbies include knitting, crafts and collecting Hello Kitty Memorabilia. (Wikipedia)

Melissa Maia is a Brazilian voice actress.

A Mexican voice actress. She is known for being the Latin American Spanish voice of Cheetara in _ThunderCats_, Kate McCallister in _Home Alone_ and Ellen Ripley in _Aliens_.
She is the recurring dub voice of Jane Seymour, Susan Sarandon, Meryl Streep, Diane Keaton and Sigourney Weaver.

She is the mother of [Arturo Mercado Jr.](https://anilist.co/staff/117161/Arturo-Mercado-Jr)