Armour Proficiency (medium)

Armour Proficiency( Medium) ( General)
You know how best to wear brigandine and other medium armour.
Prerequisite: Armour Proficiency (light).
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.

Armour Proficiency (medium)

Glimpses of Hyboria Elfbane