Mythras in a Nutshell – Mythras Nanoref the shortest reference

This is the gist of Mythras that players need to know mechanically. Most everything else can be provided by GM.

Mythras Nano-Ref

Roll: d100 ≤ skill | 01–05 auto ✓ | 96–00 auto ✗ | Crit ≤ skill/10 | Fumble 99–00
- Levels of success = Critical > Success > Failure > Fumble
Augment: +20% relevant skill/Passion
Opposed: higher Success Level wins | tie → higher roll | both fail → GM | >100% subtract excess
Differential (for example combat): Both roll; compare Levels of Success (Crit > Success > Fail > Fumble); higher level gains advantage equal to the difference, ties give none.
Luck (1/action): re-roll, extra AP, reduce Major Wound, swap digits, last act
Passions: 1–100 | +20% | roll to compel | oppose each other | resist mental/magic control