A Marine base anchoring the 80th division in the West Blue. It responded to a distress call in the chaotic aftermath of Whitebeard's death, sending soldiers to shield a threatened island from pirates bound for the Grand Line.
The 80th Branch is a Marine base and the administrative seat of the 80th division in the West Blue. It enters the story shortly after the Summit War, during the post-war fallout, as a glimpse of how the Marines scrambled to manage the surge of piracy that followed.
Two weeks after the clash at Marineford, an unnamed island in the West Blue called the base for help. With Whitebeard's death emboldening crews everywhere to set their sights on the Grand Line, the surrounding waters had grown dangerous. The 80th Branch answered by dispatching Marine soldiers to defend the island from the pirates massing against it.
The source provides no named personnel for the base; it is represented only by the anonymous soldiers it sent to protect the imperiled West Blue island during the post-war upheaval.

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The 80th Branch is a Marine base and the administrative seat of the 80th division in the West Blue.
The 80th Branch first appears two weeks after the Battle of Marineford, during the Summit War's aftermath.
An unnamed West Blue island called the 80th Branch for help after Whitebeard's death emboldened pirate crews to head for the Grand Line, making the waters dangerous.
No, the source names no personnel; the 80th Branch is represented only by the anonymous soldiers it dispatched.
Whitebeard's death at Marineford triggered a surge in piracy that the 80th Branch had to respond to by defending a threatened West Blue island.
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