A lance fitted with a Heat Dial, belonging to the Skypiea priest Shura. The dial superheats the shaft until it glows red, letting a single thrust both burn and pierce its target.
The Heat Javelin is a lance that houses a Heat Dial inside it, and it serves as the weapon of Shura, one of Enel's priests. The dial's stored heat is what sets the weapon apart from an ordinary spear.
In shape the javelin is a spear whose head broadens out from a sharp point toward the middle of the shaft, giving it the profile of a long-handled lance, with the shaft seemingly carved from wood. Drawing on the Heat Dial, Shura can bring the shaft to a glowing red heat, and in that state a strike both scorches and impales the target at the same moment.

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The Heat Javelin is a lance fitted with a Heat Dial, serving as the signature weapon of Shura, one of Enel's priests on Skypiea. The dial's stored heat is what sets the weapon apart from an ordinary spear.
Drawing power from its built-in Heat Dial, the Heat Javelin lets Shura heat the shaft until it glows red hot. A single thrust delivered in that state both scorches and pierces the target at the same moment.
The Heat Javelin belongs to Shura, one of the priests serving Enel on Skypiea, who wields it in combat during his appearances in the storyline.
The Heat Javelin takes the shape of a spear whose head broadens from a sharp point toward the middle of the shaft, giving it the profile of a long-handled lance, with a shaft that appears carved from wood.
The Heat Javelin first appears in Chapter 241 and Episode 155 of One Piece, during the Skypiea storyline in which Shura serves as one of Enel's priests.
Looking for more on Heat Javelin? The One Piece Wiki on Fandom has a dedicated page with community notes.
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