Alluka Zoldyck is a character from the manga and anime series Hunter x Hunter, created by Yoshihiro Togashi. She is a member of the infamous Zoldyck family, known for their exceptional assassination skills. Alluka is the younger sister of Killua Zoldyck, one of the main protagonists, and possesses unique abilities that set her apart from her family. Alluka has a gentle and caring personality, contrasting with the ruthless nature of her family. She is a Nen user, which allows her to manipulate life energy for various effects. Her bond with Killua is significant, as he seeks to protect her from their family's dark legacy.