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: After the two-year timeskip, Brook learned to coat the blade with the aura of his soul. This allows him to transfer the "chill of the underworld" to the sword, freezing anything it touches.

The One Piece Wiki provides a full breakdown of the sword's history and Brook's soul-based powers. Soul Solid - One Piece Wiki * Straw Hat Pirates. * Non-Canon. * Pirates. * Marines. One Piece Wiki How Legit is Brook's Cane Sword in One Piece? #shorts IMG_1670.MOV

: Brook, the musician of the Straw Hat Pirates, uses it to perform high-speed fencing techniques, often finishing an attack before the opponent even realizes they've been cut. : After the two-year timeskip, Brook learned to

The "solid piece" related to is likely Soul Solid , the named shikomizue (cane sword) used by the character Brook in the manga and anime series One Piece . Soul Solid - One Piece Wiki * Straw Hat Pirates

While "IMG_1670.MOV" is a common default filename for iPhone video recordings, the term "" paired with " Piece " almost always refers to this specific weapon within the One Piece community. Key Details about Soul Solid: