Armor of resistance

Armor of resistance was an enchanted suit of armor that offered protection against a particular type of magical energy.

Description
Any suit of armor could be enchanted to gain the properties of an armor of resistance.

Powers
A creature attuned to the armor of resistance enjoyed considerable protection from one particular type of energy or substance while wearing the full suit, roughly reducing any damage taken of the specified type by half. Most common variants offered protection against acid, cold, fire, force, lightning, negative energy, poison, positive energy, psychic energy, or sonic energy.