If you prefer a more complex approach to Armour and Armour Penetration (AP), you can use this optional rule.
AP can only reduce your Armour Rating (AR), and cannot affect your Base Resilience.
Invulnerable armour is not affected by AP if you are using this optional rule."
It would be nice if there was a game setting so that this could be automatically calculated by the 'Apply Damage' button. From: @disgeni wrath-and-glory: 4.1.0
on page 232 of the CRB:
"OPTIONAL RULE: ADVANCED ARMOUR
If you prefer a more complex approach to Armour and Armour Penetration (AP), you can use this optional rule. AP can only reduce your Armour Rating (AR), and cannot affect your Base Resilience.
Invulnerable armour is not affected by AP if you are using this optional rule."
It would be nice if there was a game setting so that this could be automatically calculated by the 'Apply Damage' button.
From: @disgeni
wrath-and-glory: 4.1.0