Grand Piece Online (GPO) is a popular Roblox adventure RPG inspired by the pirate-anime world of One Piece, focused on exploration, progression, and skill-based combat. In GPO, you start as a beginner pirate and work your way up by traveling across the seas, completing quests, defeating enemies and bosses, collecting rare loot, and building a powerful character through weapons, fighting styles, and Devil Fruits. The game is known for its immersive ocean world, rewarding grind, and satisfying sen