Armor (Magical): Magical armor can adjusts to fit different body types and offers decent to excellent protection from weapons and magic depending on the effficiency. There are ten pieces and each piece is 5 points base of AC (10 in total = 50 base) plus one (+1) per 5% efficiency. See below to match the class to its nonmagical armor type.

Heavy (Champion / Proeliator)
Medium (Armati / Shadow Warrior)
Light (Ancestral Guardian / Ritualist)
Cloth (Angelus / Magus Arcanum)