
Chapter 73, "The Monster From the 'Grand Line'," sees Zoro mop up Arlong's underlings, Luffy and Sanji subdue the sea cow Momoo, and the crew scramble back toward Arlong Park after Usopp falls into enemy hands.
After flattening every fish-man at the park, Zoro talks Hatchan into ferrying him toward Cocoyasi Village, posing simply as a guest. Elsewhere Luffy, Sanji, and Yosaku run headlong into Momoo, the giant beast that wrecked Gosa Village. Yosaku guesses the creature is starving, but Luffy answers with a punch, drawing a scolding from Sanji, who offers it food instead, then kicks and knocks it out when it snaps at his hand. With the animal subdued, the trio settle in for their meal.
Arlong returns to find his crew battered and learns Zoro was responsible. His fury cools the instant he hears Usopp has been seized. When some of his men accuse Nami of arranging an escape, calling treachery her trademark, she insists she would never turn on them and reminds Arlong of her bargain to purchase the village honestly, which he accepts. Realizing Usopp is in danger, Zoro doubles back toward Arlong Park, while Luffy and his companions force Momoo to tow them in the same direction.

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Momoo debuts here, a sea cow species native to the Grand Line, and is tamed by the combined efforts of Luffy and Sanji. Usopp's capture sets up the crew's converging return to Arlong Park. The cover marks Buggy's return with his body finally pieced back together, now joined by Alvida, Mohji, and Cabaji.
In One Piece Chapter 73, "The Monster From the Grand Line," Zoro defeats the remaining fish-men at Arlong Park and heads toward Cocoyasi Village, while Luffy, Sanji, and Yosaku tame the giant sea cow Momoo before all sides regroup after learning Usopp has been captured.
Momoo is a giant sea cow native to the Grand Line that wrecked Gosa Village and is subdued by Luffy and Sanji in Chapter 73, after which the trio use it to tow them back toward Arlong Park.
After defeating every fish-man at Arlong Park, Zoro convinces Hatchan to ferry him toward Cocoyasi Village, posing simply as a guest.
Arlong's anger toward Zoro cools the instant he learns that Usopp has been captured, and some of his crew accuse Nami of arranging an escape, which she denies.
One Piece Chapter 73 belongs to the Arlong Park Arc, in which the Straw Hats confront the fish-man pirate Arlong at Nami's home village.
Looking for more on Chapter 73? The One Piece Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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