The Large Metal Shield of Anarion [5,+20]
A large piece of wood, rectangular or oval in shape, and covered with
metal to strengthen it. It's to be worn strapped to the arm not occupied
by the weapon when fighting.
The great metal-bound shield of Anarion, son of Elendil, who Sauron found
himself powerless to wither or diminish.
It sustains your strength, intelligence, wisdom, dexterity,
constitution and charisma. It provides resistance to acid,
electricity, fire and cold. It allows you to sense the presence of
evil beings. It cannot be harmed by acid, cold, lightning or fire.
Level 40, Rarity 9, 12.0 lbs, 160000 Gold

(T.o.M.E. 2.3.5)