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Rule of Cool

In other games this refers to invoking GM fiat when the GM thinks what is happening narratively is more important than the rules-as-written. In OSR+, there is no "rule of cool," where you get to suspend the rules just because you want to. One of your responsibilities is to be air, and to be fair is to be predictable. If you exercise fiat because you think something is cool, you're expressing a preference for one outcome over another, and that's akin to railroading because you're removing meaningful choice to make it happen.

Interpreting the Rules

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