Victory Rules.
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Never abandon a crewmate The crew always prioritizes saving one of their own, even if it means facing much stronger enemies.
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Keep a promise In One Piece, a promise can be more important than a combat victory. Keeping one's word is a form of triumph.
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Protect someone's dream Helping another person continue to pursue their dream also counts as a victory.
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Liberate the oppressed Luffy and his crew often defeat those who abuse others, restoring freedom to an island or its people.
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Stay true to yourself Even if they lose a battle, if they do not betray their ideals, the story presents it as a moral victory.
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Trust the crew No one wins alone. Each member has an important role and trusting others is one of the Straw Hats' greatest strengths.
Defeat Rules
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Betray a crewmate It is one of the worst possible actions within the series.
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Give up out of fear Being afraid is not defeat; stopping the fight solely because of fear is usually presented as such.
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Break an important promise Promises carry enormous emotional and narrative weight.
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Lose hope Many characters fall when they stop believing in their own dream or themselves.
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Abandon your own dream Giving up on that which gives your life meaning usually represents a personal defeat.
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Use power to oppress the weak Villains are often defeated not just for being strong, but because they use their power to dominate or harm others.
Crew Unwritten Rules
Never leave a nakama (crewmate) behind. Each member protects the dreams of the others. The captain's decisions are respected, even if they are debated. Each has an important role; no one is "less useful." Every small victory is celebrated together. Fight until the end when a loved one is in danger.