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Voiced by the versatile Christopher R. Sabat (famous for Vegeta and Zoro), Byrnndi World feels distinct from Sabat’s other roles. He brings a gravitas and menace to the character that elevates World from a typical "filler villain" to a credible threat.

A primary challenge for the dub was localizing Luffy’s post-traumatic stress. The Japanese script relied on guttural cries and silence; the English script, supervised by Clint Bickham, opted for restrained dialogue over melodrama.

The dub also includes small cameos from the Straw Hat crew via flashbacks, with Eric Vale (Sanji), Sonny Strait (Usopp), and Stephanie Young (Robin) all reprising their roles.