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Old 08-14-2012, 11:33 AM
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Cdnwolf Cdnwolf is offline
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Join Date: Jun 2009
Location: London, Ontario Canada
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Sometimes, simple success or failure doesn’t provide enough detail - you need to know how thoroughly you succeeded or how catastrophically you failed. In such instances, the relevant value is the difference between your TN and your die result. This is referred to as the margin of success (MoS) or margin of failure (MoF).
Example: Bob has a TN of 6. He rolls, achieving a die result of 1. Bob succeeds with a margin of success of 5.
A MoS of zero (i.e. a die result equal to your TN) indicates that you barely succeeded, snatching victory from the jaws of defeat.
Optional Rule: Exceptional Success
If more than one die result could be a success, use the lowest result to determine your base MoS. Then increase your MoS by 2 for each additional successful die.
Example: Bob rolls 3d20 against a TN of 6, with die results of 1, 5, and 18. His MoS is 7: a base of 20, 5 for the die result of 1, +2 for the die that came up 5.


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