While Chopper begins his race against time to develop an antibody, he is guarded by unlikely allies like X Drake and the legendary Hyogoro the Flower , who faces his own impending transformation into an Ice Oni. The "Chopperphage" Legacy

This episode sets the stage for one of Chopper's greatest medical triumphs: the creation of the . Recognizing that he cannot possibly inject thousands of victims individually, Chopper eventually develops a "counter-virus" delivered via gas, proving that a doctor's ingenuity can be more potent than a commander's weaponry.

To Chopper, medicine is a tool for preservation, whereas Queen uses it as a "game" for amusement.

In the grand tapestry of the One Piece Wano Country arc, , titled "I Won't Forgive Him! Chopper's Determination!" , stands as a pivotal moment that transforms the ship’s doctor from a supporting healer into a moral beacon of the Onigashima raid. While the episode balances multiple fronts—including Yamato’s fierce protection of Momonosuke and the brutal rooftop struggle against Kaido—it is Chopper's visceral reaction to biological warfare that anchors the narrative's heart. The Perversion of Medicine

In a high-impact moment, Yamato rescues Momonosuke and Shinobu from Sasaki’s Armored Division, declaring a lifelong commitment to fight for the Kozuki family.

The core of Chopper’s rage lies in his confrontation with Queen the Plague’s "Ice Oni" virus. As a doctor who views all life as sacred, Chopper is horrified not just by the virus's lethal efficiency, but by Queen's callous disregard for his own subordinates. Queen fires Excite Bullets indiscriminately, infecting both enemy samurai and his own "Pleasures"—warriors already robbed of their emotions by failed SMILE fruits.