Genbo, the Skypiea Arc, and Bandai’s One Piece Carddass

One Piece Hyper Battle Carddass EX CS-W22 — Genbo, Skill Rare (Bandai, 2003)

What This Card Is

This is a single trading card from Bandai’s One Piece Hyper Battle Carddass EX series, produced in Japan in 2003. Its catalog number is CS-W22, and the card carries the in-world title “Iron Cannonball,” a direct reference to the character it depicts. The rarity designation is Skill Rare, placing it in the upper tier of the series’ classification system above common and uncommon grades.

What separates this line from purely decorative collectibles is its game functionality. The card face prints battle parameters — a “1 Battle” designation, a card-limit note, and a +0/+1 bonus applied to the owner’s character — making it a working piece in head-to-head play, not just a display item. The copyright notice on the card confirms its official status: Eiichiro Oda, Shueisha, Fuji TV, Toei Animation, and Bandai 2003. The Fuji TV and Toei Animation credits reflect a tie-in with the animated series specifically, alongside the manga’s originating publisher.

Genbo and the World of Skypiea

Genbo is a warrior of the Shandian people, the indigenous inhabitants of Skypiea — One Piece’s sky island, a floating landmass perched far above the Grand Line. The Shandians are depicted as descendants of the ancient civilization of Shandora, and in the story they resist the rule of the arc’s central antagonist, Enel. Genbo holds a supporting role rather than a starring one; he is one of several Shandian fighters rather than a named protagonist. His defining traits — a large build, a horned helmet, and a cannon — map directly onto the card’s title, “Iron Cannonball,” which names his combat style with unusual precision.

His introduction in the manga falls around volumes 24 to 32, published roughly between 2002 and 2003. This card arrived at almost exactly the same moment, placing it in production during the live run of the Skypiea storyline in both Weekly Shonen Jump and on television. The Skypiea arc has since built a lasting international reputation, widely regarded as one of One Piece’s most ambitious and emotionally complete story arcs.

The Carddass Format and Its Place in Japanese Collecting Culture

The Carddass brand was established by Bandai in 1988 as a trading card format sold through dedicated vending machines installed in game centers, convenience stores, and toy shops across Japan. Customers inserted coins and received a random card — a system that made chasing scarce cards a genuine part of childhood culture, predating the modern gacha app economy by well over a decade. Dragon Ball and Saint Seiya were among the properties that made the format a fixture before One Piece entered the lineup.

The Hyper Battle Carddass line was a battle-game-focused subset of the broader Carddass family, built around cards with printed combat values and skill effects. The EX designation is understood to mark a higher-specification tier within the series, though the exact scope of what EX encompasses has not been definitively documented. By 2003, Carddass had been running for fifteen years, and the One Piece line was expanding rapidly alongside the anime’s growing audience.

For collectors outside Japan, the context matters. This is a Japan-market item with no official English-language release, produced at a time when One Piece was still in the early stages of reaching Western audiences. That Bandai issued a dedicated card for a supporting character like Genbo — rather than limiting production to the main cast — reflects just how comprehensively the series covered the Skypiea roster, treating secondary figures as full participants in the collecting experience.