Veronica Thorne

She is Marlya's childhood friend. She and Marlya were the sole survivors of their village being burned during the war. She swore revenge on Ray Dawn, the traitor general responsible for the burning of her village. She learned to excel in combat skills, and eventually became a cold-hearted assassin.

(Source: Wikipedia)

[Spoiler] Her fairy name is: Blood Daughter and she is like Marlya, can also control fairies without undergoing fairy organ implant surgery. [/Spoiler]