Nanika

Nanika is a fictional character in the manga and anime series Hunter x Hunter, created by Yoshihiro Togashi. It is the name used for the mysterious dual identity of Alluka Zoldyck, the younger sister of Killua Zoldyck. Nanika represents an extremely powerful and unpredictable supernatural ability that Alluka can channel.

Nanika's power allows the user to grant any wish posed by another person, with only a few constraints. Each wish comes with a price, and the price is paid by someone the requester cares about. The exact price and outcome depend on the context, but the effect ranges from minor to fatal, illustrating the potential for severe harm. The use of Nanika's power is tightly controlled by strict, often implicit, rules to prevent reckless use; the ability is typically regulated by the Zoldyck family and by Alluka herself.

In the story, Nanika and Alluka's powers are central to a storyline involving Killua and Gon; the arc raises questions about power, consent, and the moral consequences of desires. The character has been the subject of extensive discussion among fans for the way it complicates themes of family, trust, and the limits of wish fulfillment.

Nanika has appeared primarily in the manga, with adaptations in the anime series. The character is regarded as one of the most potent and controversial forces within Hunter x Hunter's universe.