Heavy Armour Master is a passive feature provided by the Feat of the same name. Your mastery over heavy armour increases, granting you damage reduction of incoming non-magical damage by 3.
Description
Your Strength increases by 1, to a maximum of 20.
Incoming damage from non-magical attacks also decreases by 3 while you're wearing heavy armour.
Requires Proficiency with Heavy Armour
How to learn
Granted by the feats: Heavy Armour Master (Feat)
Notes
- Only non-magical sources of
Slashing, 
Bludgeoning, and 
Piercing damage are reduced by this passive.