Iron Tower Shield
A tower shield, forged from a single thick iron plate, looks nigh unmovable.
Hardly lowers resistance to water continuous Insignificantly increases resistance to fire continuous Modifies armor class by -45 continuous. Armor class is 10-12.
Carried by a Fire Giant Iron Warrior, a large, sanced, wielding level 64 mob who bashes and is worth about 850 xp solo after a reboot.