

I recently came up with a theory that Sanji might get a power because all his
siblings did, even though he was called a dud. I was then watching _One Piece
Film: Gold_ and remembered how his flames didn't make any sense. Could his
flames have come from his father's experiments?

He did say in Enies Lobby that he got heated up when he was mad and his powers
related to fire keep growing a bit stronger than friction should be able to
make. His siblings had powers similar to devil fruit users, so the more
powerful Sanji's flames become, the less I believe it is natural (by natural I
mean through Haki and friction).

What do you think?


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one-piece
What is the source of Sanji's flame power?


It is completely natural. Try it yourself.

SPOILER :

> When Luffy meets him on Wholecake Island, Sanji fights him. His kicks were
> crushing all the databases that the the scientists who watched it had. Luffy
> did not fight back. At the end of the fight, everyone concludes that Sanji
> is a Vinsmoke afterall. Luffy says he would starve until Sanji brings him
> food, and stays in his spot. If you read the manga, you will be a bit ahead
> and know all this.


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Well, this is an opinion-based question so no clear answer can be given, but I
can at least tell my own opinion.

This was a plausible theory for a time, but in my opinion it is now
impossible.

Unless I missed something, nothing indicates that Sanji's Diable Jambe comes
from anything other than friction. He's been able to activate Diable Jambe
without spinning ever since the beginning of the second part of the series, as
shown in the manga by his fight against Surume the kraken; long before his
family was even mentioned.

He's been stated several times in the Totto Land arc to be a "dud" whose
genetic enhancements failed, a statement greatly strengthened by a revelation
from chapter 852.

> Sanji's mother Sora is the reason why his enhancements failed. When she was
> forced by her husband to subject herself to experiments to allow her then-
> unborn sons to be genetically altered, she took a drug potent enough to
> counteract those alterations, in an attempt to cancel them. While this
> didn't work with Sanji's brothers, it did work with Sanji himself, who
> turned out as normal and full of empathy and compassion as any normal human.

The above moment's entire meaning and point would be completely shattered if
Sanji suddenly turned out to have altered genes after all, hence why I think
the theory is impossible. However, this is only my opinion of course, as no
clear answer can be given yet.


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The discussion on
[Reddit](https://www.reddit.com/r/OnePiece/comments/546v78/recent_revelation_may_explain_sanjis_diable_jambe/)
explains all of it.

Basically, it says that Sanji's abilities were from his genetics and they were
activated through his emotions and such. Since he had emotions (which he
inherited from his mother) he wasn't able to use his altered genes because he
had no real motivation to use them. His brothers and sister on the other hand
weren't tied down by emotion so they could use it freely.

When Sanji met Luffy and the others, he had a strong will and conviction to be
strong for his nakama and so he used his abilities.

IDK I haven't read the full post in a while so this is the TLDR; you should
probably read it. It explains a lot if you think about it.


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Multiple characters have been shown to be able to summon fire or explosions by
punching or kicking with extreme force. While it is alien in this world that
is a reoccurring phenomenon in this world. Those include "Destruction Cannon"
Ideo, Luffy, and Kin'emon. Sanji's abilities are unique. They do not
necessarily require his family's genetic experiments to fit into the story
because of the other similar abilities in canon.

I should point out that he does not burn himself because "while the fire burns
hot, his heart burns hotter". This seems mostly a way to toss off the
question, but it also sounds like it hints to haki or similar tied to the
source of his powers.


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[totoofze47's answer](https://anime.stackexchange.com/a/39026/2516) stating
that Sanji's mother taking a drug to counteract the enhancements is still
plausible in giving Sanji a different ability. Though I haven't seen that
episode yet, when it comes to a chemical reaction or any kind of change to the
body, then it normally won't be a clear answer. Even though the drug canceled
the modification, there still should be a side effect from it (in that case,
the thought that it completely cancels out whatever was added to make the
enhancements possible, like adding a -1 and a +1).

My theory would be that Sanji can produce this heat much easier because of it.
For example, when you try to do something and you came out with a completely
different result, this other result is normally done to interference outside
of the experiment environment, in this case, the interference would be the
drug. And assuming all of the children had the same enhancements done to them,
then the reason _only_ Sanji got affected is by another mystery interference
that Sanji just happen to have/didn't have an extra of.

Also realistically, that's not how friction and clothing work. They would be
destroyed far before catching fire, but it is possible.


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In the Cake Island arc, Sanji uses his powers to activate his flame abilities.
He does it by kicking in one scene, and then again when he uses Concasser to
finish the first match between him and Luffy.


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