For various reasons, a question poster may want answers that do not use information sources outside of published game material, such as online statements from game designers, personal experience about how various house rules work, or suggestions regarding how real world concepts should be applied within game mechanics such that the mechanics make more sense.

Applying this tag to a question should indicate to prospective answerers that the asker wants answers that only use the game rules, as written, as its parameters. Explicit citation of rules is required in answers to questions bearing this tag.

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