Alluka Zoldyck is a member of the infamous Zoldyck family in the anime and manga series Hunter x Hunter. Despite being the second youngest sibling, Alluka possesses a mysterious and dangerous power that allows her to grant wishes, but with deadly consequences if certain conditions are not met. Alluka is especially close to her brother Killua, who is deeply protective of her. Her unique abilities and complex relationship with the family play a crucial role in the series' latter arcs.