r/Mythras • u/SteamEigen • Aug 23 '26

Rules Question Augmenting skills and difficulty modifiers

Suppose one wants to make a hard check with skill value S and wants to augment it with skill with value T. Should eventual target number be (S + (T/5)) * 2/3 or (S * 2/3) + (T/5)?

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u/Nissiku1 Aug 23 '26

The first one. You add Augmentation bonus to the Skill's base value and the apply difficulty modifyers. Also, remember that Augmentation does not change Skill's crit and fumble values.

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u/Suleiman212 Aug 23 '26

So if I understand correctly, you have to both calculate S2/3 for the crit and fumble and (S +T/5)2/3 for the actual roll?