Alluka zoldyck the second youngest child of Silva and Kikyo zoldyck. Under unknown circumstances she was processed by a mysterious dark , which her family name Nanika. The two currently share alluka's body.
Alluka has long, black hair, blue eyes,and pale complexion. She wears the traditional clothes of Japanese shrine maiden, with boots and a headband adorned with emotional cartoon faces. Framing her face are two locks of hair,each fastened by four hair bands decorated with the same cartoon faces on her headband.
"Personality"
Before Alluka's formal introduction, Silva refers to her as a dark and uncontrollable child. He claims that Alluka has no soul because of the circumstances of her birth, and cannot feel emotions.However, once reunited with her closest brother Killua, Alluka displays an affectionate, simple, and lovable personality. Alluka is usually very happy around Killua and trusts him deeply, likely because he was the only one to show her compassion.
According to Killua, Alluka calls him "Big brother", while Nanika calls him only by name.
"Background"
Alluka's first appears in a family photo of the Zoldyck siblings and their mother, shown when Kalluto explains his desire to get his older brother back no matter how many years it will take. In the photo, Alluka was not posing with the rest of the family; instead, she was standing at a distance behind them and facing away. Her name was not revealed in the manga until Chapter 321, and for a long period of time readers of Hunter × Hunter could only guess the name of the facing-away child based on the information about the Zoldyck Familyprovided in the 2004 official data book.
Alluka officially debuts in the manga in Chapter 321 in which she sits unemotionally on the floor of a room full of dolls. Silva, when talking to Killua about Alluka, refers to her as an "it" and says she is "darkness".
It is unknown when and how Nanika came to possess Alluka, but the two have shared the latter's body at least since Alluka was a young child. The Zoldyck family is in the dark about Nanika's nature. Killua once saw Alluka turn into Nanika, and learned about the general nature of its abilities by asking it how to revert the transformation. As a toddler, Alluka once asked Mitsuba, an attendant of the Zoldyck family, to do three simple things: carrying her, going up a staircase, and raising Alluka up in the air. After Mitsuba did what she was told, Alluka's eyes and mouth suddenly turned pitch-black. Freaked out by this, Mitsuba called for help. Killua came and changed Alluka back to normal by asking Alluka to make himself go high-high, which Alluka did. After the accident, Killua had to tell his parents about Alluka's secret because Mitsuba had already reported it to them. It turned out that when Alluka had three requests fulfilled, her eyes and mouth would turn pitch-black, and they would change back to normal only when she heard and granted a wish.Alluka in wish granting mode as a toddlerTo test the ability, her mother Kikyo ordered Mitsuba to decline any request of her, no matter how small it was. Due to that, Mitsuba and her lover Hassam, who was not around Alluka at that time, were mysteriously crushed into minced meat simultaneously. Killua explained that this was the consequence of saying 'No' to Alluka's requests 4 times.
Some time afterwards, Yasuha, another female servant of the Zoldyck family, gave Alluka a piggyback ride at her request, thus activating wish-granting mode. Giving in to her greed at the time, Yasuha wished that Alluka would make her a billionaire. Nanika agreed and suddenly a large amount of banknotes started to rain down from a blimp in the sky. It was later reported that a currency transport vessel had suddenly gone missing and by the time it had been found all the money had disappeared, and the captain and crew kept giving nonsensical answers.
Illumi became interested in Alluka's power and asked for Silva's permission to deal with Kasuga, the next servant, to take care of Alluka, in his own way. He told her to listen to Alluka's requests in exchange for his tolerance of her romantic relationship with an outsider to the Zoldyck family. When Kasuga was with Alluka, Alluka suddenly asked her for her liver, which Kasuga declined. She followed up with three continuous requests for her duodenum, spine and brain respectively, which were all declined as well. As a result of Kasuga's refusal to fulfill those four requests, a total of 67 people, including herself, were killed at the same time by Alluka's strange power. This occurrence revealed that her ability had a cumulative effect; the greater the previous wish was (in terms of fulfillment difficulty), the greater the consequences of refusing her next set of requests. From this, they also learned the requests became much more difficult to fulfill after Nanika granted a large wish.Following the blimp incident, Nanika's power caused the death of six couples, for a total of twelve more people: two were necessary for Kikyo to be convinced, two more to test the rules, and two when Milluki sacrificed tourists in exchange for cheap toys. At some point, there was also another big incident which resulted in the death of 13 people, caused again by Milluki, who asked Nanika to kill his target for him. Milluki had a tourist named Muna pay the price by telling him to just ignore Alluka's requests.More recently, Milluki used Nanika to get the latest—at the time—computer.
" Gender Ambiguity"
The official datebook lists Alluka's gender as male,and two of Alluka's brothers, Illumi and Milluki, refer to Alluka as their "brother." In flashback, Zoldyck servants call Alluka the "bocchan" or "bocchan" . Morel once refer to Alluka as killua's brother,and killua did not correct him. Killua has an intimate bond with Alluka.When Killua introduced Alluka to Gon, he introduced Alluka as his sister. Killua stated that Alluka being a girl was the reason they needed female butlers to attend to her on their mission to save Gon.Killua refers to Alluka as his sister multiple times, including when they were children.
The possibility of continuity error between the guidebook and manga series, intentional misgendering as part of deliberate abuse by the Zoldycks, and/or Alluka being transgender are all possible explanations for the conflicting references to Alluka's gender.
Based on all evidences available, this article makes no attempt to verify Alluka's gender, but it considers Alluka's gender to be female and uses the feminine pronouns she/her.
"Abilities & Powers"
Unlike her brothers, Alluka has no combat abilities at all. She is like a normal kid when it comes to fighting and physical endurance.However, due to being Nanika's host, her own relatives fear her ability to wipe out the family in an instant.Alluka shares an empathic link with Nanika, which allows her to perceive
Alluka has no Nen abilities of her own, and only acts as a condition so Nanika can use her wish-granting powers.
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