2011 · 핵심 규칙 (플레이에 필요한 최소한)

One Piece: Game Master's Guide (Version 1)

A d20-based roleplaying game set in a world of pirates, bounty hunters, and Marines. The rules combine standard d20 concepts with additional systems designed for the setting, including dangerous sea travel, survival, and food management. Game Masters use the guide to run adventures across the Grand Line, determine allies and enemies, and support campaigns shaped by the characters’ chosen faction.