Glimpses of Hyboria
Armour Proﬁciency (heavy)
Prerequisite: Armour Proﬁciency (medium).
Beneﬁt: When you wear a type of armour with which you are proﬁcient, the armour check penalty for that armour applies only to Balance, Climb, Escape Artist, Hide, Jump, Move Silently, Sleight of Hand and Tumble checks.
Normal: A character who is wearing armour with which he is not proﬁcient applies its armour check penalty to attack rolls and to all skill checks that involve moving, including Ride.