Mass Combat
Compare total Skill vs Skill. You gain a “step” for every full doubling of an opponent.
Now compare Stamina, Initiative, and Armour the same way.
A side with clearly superior weaponry gains a step.
PC party have a random encounter, the result of which might gain a step.
Positive steps cancel negative steps.
Roll a d6 on the damage line corresponding to the number of steps and aplly thr results. No idea what they are yet.