Ancient Weapon Poseidon

Ancient Weapon Poseidon (OP11-037) was released as part of the eleventh main expansion set for the One Piece Card Game, titled A Fist of Divine Speed. The set was designed to capture the high-stakes intensity of the series' later narrative arcs, introducing mechanics that emphasize powerful, game-altering events. In the context of the game, this card reflects the immense scale of the ancient weapon Poseidon, drawing directly from the Fish-Man Island arc where the ability to command Sea Kings is revealed as a pivotal power.

The card’s design employs dynamic, thematic artwork intended to convey a sense of vast, submerged mystery and overwhelming force. As an Event card, it was crafted to provide players with specific strategic utility during gameplay, prioritizing lore accuracy alongside functional balance. Upon release, the set was received favorably by the competitive community for its integration of key plot elements into the trading card format, solidifying the importance of mythological figures within the game’s meta.