The World's Strongest Warriors (猛者達の背中 / OP-17) is the landmark 4th Anniversary main expansion booster set in the Japanese One Piece Card Game line. Celebrating four years of the TCG, this historic release focuses on legendary Emperor-level powerhouses, the legendary Rocks Pirates, and the giants of Elbaf.
Following Japan’s traditional main-expansion structure, OP-17 is distributed in a 24-pack booster box format. It introduces massive meta shifts across dual-color Leader cards, high-stat Character cards,and high-impact Event cards while delivering an unprecedented lineup of high-end parallel artwork chases.
Anchored by the debut of legendary historical figure Rocks D. Xebec, new Four Emperors Leader cards,and ultra-rare anniversary parallel treatments, OP-17 stands out as one of the most important and valuable sealed releases in One Piece Card Game history.
Key Features
4th Anniversary Milestone Set: Designed as a commemorative release featuring exclusive anniversary foil treatments, special parallel inserts,and high-density hit ratios across display boxes.
Rocks Pirates & Four Emperors Synergy: Centers heavily around legendary captains—featuring Rocks D. Xebec, Edward Newgate (Whitebeard), Kaido,Charlotte Linlin (Big Mom), and Shanks.
Elbaf & Giant Tribe Expansion: Introduces powerful new synergies supporting the Straw Hat Pirates in Elbaf alongside giant warriors Dorry, Brogy, and Hajrudin.
Dense Parallel Roster: Packed with Alternate Art Leaders, Character Parallel Rares, Special (SP) reprints, and elusive Manga Super Parallel chase cards.
Japanese Print Quality: Manufactured in Japan with high-grade card stock, crisp borders, deep color saturation, and official Bandai Namco security stamping.
Notable Cards
Rocks D. Xebec (Leader / Super Alternate Art) — The undisputed crown jewel chase of the set, marking the official TCG debut of the legendary Rocks Pirates captain.
Edward Newgate & Shanks (Manga Super Parallels / Leader Alt Arts) — Top-tier high-end anniversary chase cards commanding massive demand among high-grade display collectors.
Monkey D. Luffy & Kaido (Secret Rares / Super Alternate Arts) — High-impact Emperor character hits driving heavy demand for both tournament play and binder displays.
Charlotte Linlin & Gloriosa (Alternate Art Rares) — Highly sought-after character variants bringing strong visual appeal to the Four Emperors checklist.
Special Pandaman Variant Sub-Set — Rare parallel insert cards featuring hidden Pandaman artwork prints across select character slots.
Booster Details
6 cards per booster pack (guaranteed rare or foil slot opportunities per pack)
24 booster packs per sealed display box (144 total cards per box)
Base set size of 119+ numbered cards before secret rares, parallel arts, and special inserts
Printed in Japan under official Bandai Namco quality controls with premium card stock and high-gloss foil finishes.
Summary
The World's Strongest Warriors (OP-17) Booster Box is a monumental release in the One Piece Card Game ecosystem. Driven by the debut of Rocks D. Xebec,4th Anniversary parallel treatments, and a full 24-pack display box structure, it delivers an exceptional, high-value opening experience for players, collectors, and investors worldwide.
Warning Small Parts 12+
