Type: General
Prerequisite: Armor proficiency (light) and Armor proficiency (medium).
Specifics: This feat grants the knowledge to make effective use of heavy armor. Characters without this feat cannot equip heavy armor.
Use: Automatic. Fighters, paladins, clerics, blackguards, dwarven defenders, and warpriests automatically have armor proficiency (heavy) as a bonus feat. They need not select it.
DnD 3.5 comparison
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Characters could wear armor without the appropriate proficiency, but suffered penalties to all skills involving movement and attack rolls.
