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Battle Unit Basics (BUB) is the very core of Moira. This explains how Units in play work and do Battle in a very Basic set of rules.
In simplest terms, a unit is rated with a die code called Strength. This is the ability of the unit to attack or defend itself unless some other rule says otherwise. This strength die code is listed as two parts: a die to roll, and a bonus to add to that roll, like so: 1d8+2. When the unit makes a strength roll to attack or a strength roll to defend, you roll that die and add the amount listed.
We determine the die code of a unit by it's Class. There are six classes of units, rated from smallest die (weakest) to largest die (strongest). Here is the breakdown:
The bonus for the die code Strength of a unit comes primarily from two concepts: Stacking and Arming. Stacking a unit means adding more fighters to it (when possible). You can have a Stacking bonus of +1 to +3 for a unit. Stacking both allows a unit to be stronger, and take more damage. Arming a unit means giving it more/better weapons and munitions, resources. You can arm a unit for +1 to +3. Arming both allows a unit to be stronger, and generate more damage. This means when a unit is given a strength code, its arm and stack bonuses are listed in parenthesis as well: 1d8+2 (+1/+1).