<p>What you are talking about is <a href="http://onepiece.wikia.com/wiki/Haki/Busoshoku_Haki" rel="nofollow noreferrer">Busoshoku Haki</a></p>

<blockquote>
  <p>Busoshoku Haki is a form of Haki that allows the user to use their
  spirit to create, in essence, an invisible armor around themselves.</p>
</blockquote>

<p>Now according to this <a href="http://onepiece.wikia.com/wiki/Monkey_D._Luffy/Abilities_and_Powers" rel="nofollow noreferrer">link</a></p>

<blockquote>
  <p>Luffy used Busoshoku Haki combined with Gear Second to perform "Gomu
  Gomu no Red Hawk", which causes his fist to ignite into flames and
  create an explosion after it hits the target.</p>
</blockquote>

<p>So with the help of Busoshoku Haki one can create an invisible armor to protect themselves and then use it. That's the possible explanation I can come up with.</p>

CC BY-SA 3.0
2017-10-26T20:50:29.767Z
Okay, but if it is invisible, then why is it black?
TGamer
CC BY-SA 3.0
2017-10-27T12:50:33.110Z
It's just help you to show that someone has activated the Haki.
Light Yagami
CC BY-SA 3.0
2017-10-26T09:22:43.700Z
2017-10-26T09:22:43.700Z
Light Yagami
<p>Recently in Luffy's new move,the Red Hawk, he catches fire. Is his haki immune to fire? Even Sanji's leg would catch fire in his Diamble Jamble.</p>

<one-piece>
Is Haki fire proof?
# Is Haki fire proof?
Posted by: username_0 on 2017-10-26
Recently in Luffy's new move,the Red Hawk, he catches fire. Is his haki immune to fire? Even Sanji's leg would catch fire in his Diamble Jamble.
**Tags:** one-piece
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## 1 answers
### Answer by username_1 on 2017-10-26. Score: 1 | Accepted answer
What you are talking about is [Busoshoku Haki](http://onepiece.wikia.com/wiki/Haki/Busoshoku_Haki)

> Busoshoku Haki is a form of Haki that allows the user to use their
> spirit to create, in essence, an invisible armor around themselves.

Now according to this [link](http://onepiece.wikia.com/wiki/Monkey_D._Luffy/Abilities_and_Powers)

> Luffy used Busoshoku Haki combined with Gear Second to perform "Gomu
> Gomu no Red Hawk", which causes his fist to ignite into flames and
> create an explosion after it hits the target.

So with the help of Busoshoku Haki one can create an invisible armor to protect themselves and then use it. That's the possible explanation I can come up with.
> **Comments:**
> **username_0** (2017-10-26): Okay, but if it is invisible, then why is it black?  
> **username_1** (2017-10-27): It's just help you to show that someone has activated the Haki.  
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