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In _Hunter x Hunter_ , at first Knov's appearance was pretty bold and looked
smart. But after knowing the fact that their enemies are stronger then he got
scared.

First change: His hair got white and he was a little bit skinny.

![](https://i.stack.imgur.com/2CAO6l.png)

Second change: Hair loss and lack of physical fitness.

![](https://i.stack.imgur.com/de8rVl.png)

But being a Hunter, why he undergoes such a huge change in appearance? I mean
how come his whole physical body changed? They knew that the mission they are
going into is really scary, but what was the reason behind his complete
change?


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2016-07-09T17:56:55.330
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hunter-x-hunter
How Knov appearance kept on changing?


His appearance changed because he was so terrified. The idea was that he was
so scared of the beings they were exposed to that his hair went white and he
rapidly lost weight.

Stress can cause rapid weight and hair loss. I don't know if hair turning
white from fear is real but it is a common belief (see crash test dummy's
MMM). That is what you are seeing exaggerated here. What you are supposed to
note as remarkable is how he continues to aid the group and stick with it even
though he is so debilitated. He is more scared but somehow the bravest GD
person there.


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2016-07-09T22:48:34.863
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The same thing happens to Welfin when he's in the precense of the King. For
Nen users, Nen is an expression of their physical and mental condition so it
makes sense that if their Nen gets disrupted, or if they're under a lot of
stress, both the quality of their Nen and the appearence of their body can
change. This also happened to Gon when he was so enraged and determined that
he made an unconcious covenant with his Nen and his physical apperance
changed. Knov is the same thing but more similar to Welfin than to Gon.


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2017-08-20T00:54:52.200
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I think he was using his nen to keep his appearance good and to look young
compare to his original age.

There was an episode where they talked about how you could use nen to stay
young. Then when he met with the royal guards' aura, he got really scared that
it hindered him to use his nen properly.


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2020-01-26T11:21:44.160
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I think he got so scared or something, that he stopped eating, sleeping, and
just moving. Which probably made him that way.


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2020-01-29T17:50:45.553
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