The Burn Blade is a Dial-powered sword used by the Shandia. Little more than a wooden stick capped with a Breath Dial, it ignites stored gas to form a searing blade of flame strong enough to fell a thick tree.
The Burn Blade is a weapon that runs on Dial power. Its construction is strikingly plain: a simple wooden rod with a Breath Dial fixed to the tip serves as the entire frame for the blade.
Setting alight the flammable gas held inside the Dial produces a concentrated, high-pressure blade of fire. The resulting edge cuts with enough force to split a thick tree clean in half. The underlying idea closely echoes the 'Blue Sword' that Caesar Clown makes by igniting oxygen, both relying on a flame edge born from burning gas.
The weapon is associated with the Shandia. Aisa used a Burn Blade to threaten Nami, while Kamakiri put one to combat use, swinging it to slash at Enel.

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The Burn Blade is a Dial-powered sword used by the Shandia, made from a simple wooden rod fitted with a Breath Dial at the tip that produces a blade of fire.
Aisa and Kamakiri of the Shandia both use the Burn Blade. Aisa threatened Nami with it, while Kamakiri swung it in combat against Enel.
The Burn Blade forms a concentrated, high-pressure edge of fire strong enough to cut a thick tree clean in half.
The Burn Blade's concept closely echoes Caesar Clown's 'Blue Sword,' which also produces a flame edge, in his case by igniting oxygen.
The Burn Blade first appeared in Chapter 264 and Episode 172, during the Shandia's conflict with Enel's forces on Skypiea.
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