Ormus' Robes
Ormus' Robes is a Dusk shroud that has 371-487 defense with a base defense of 361-467. It has a required level of 75 and a required strength of 77. It has a durability of 20. Its special buffs are +10-15% cold skill damage (except Frozen Orb and Cold Mastery), +10-15% fire skill damage (except Fire Mastery, Hydra), +10-15% lightning skill damage (except Lightning Mastery), +20% faster cast rate, regenerates mana 10-15%, and +10-20 Defense. For Sorceress' they also add an additional +3 bonus to a random skill.
The Gladiator's Bane
The Gladiator's Bane is a Wire fleece that has 1255-1496 defense with a base defense of 375-481. It has a required level of 85 and a required strength of 111. It has a durability of 135. Its special buffs are magic damage reduced by 15-20, damage reduced by 15-20, attacker takes damage of 20, poison length reduced by 50%, 30% faster hit recovery, cannot be frozen, +50 defense, and +150-200% enhanced defense.
Arkaine's Valor
Arkaine's Valor is a Balrog skin that has 1295-1450 defense with a base defense of 410-517. It has a required level of 85 and a required strength of 165. It has a durability of 30. Its special buffs are 30% faster hit recover, damage reduced by 10-15, +150-180% enhanced defense, either +1 to all skills or +2 to all skills, and +0-49 (0.5 for every character level) to vitality.
It is entirely different from the armor of the same name which is found in the original Diablo PC game.
Leviathan
Leviathan is a Kraken shell that has a 1514-1722 with a base defense of 417-523. It has a required level of 65 and a required strength of 174. It is indestructible. It will spawn in Ladder Only games. Its special buffs are +170-200% enhanced defense, +100-150 defense, +40-50 to strength, and damage reduction by 15-25%.
Steel Carapace
Steel Carapace is a Shadow plate that has a 1618-1785 defense with a base defense of 446-557. It has a required level of 66 and a required strength of 230. It has a durability of 70. Its special buffs are an 8% chance to cast level 6 iron maiden when struck, repairs 1 durability in 20 seconds, damage is reduced by 9-14, +190-220% enhanced defense, regenerates mana 10-15%, +20% faster hit recovery, and a cold resist +40-60%.
Templar's Might
Templar's Might is a Sacred armor that has a 1622-1923 defense with a base defense of 487-600. It has a required level of 74 and a required strength of 232. It has a durability of 60. Its special buffs are +170-220% enhanced defense, +250-300 defense versus missile, +10-15 to vitality, +10-15 to strength, +20% faster hit recovery, and +40-50 maximum stamina. For Paladins it adds an additional +1-2 to offensive auras.
Tyrael's Might
Tyrael's Might is a Sacred armor that has a 1322-1502 defense with a base defense of 487-600. It has a required level of 84 and no required strength. It is indestructible. It's only spawned in Ladder Only games. Its special buffs are +120-150% enhanced defense, slain monsters rest in peace, requirements -100%, cannot be frozen, all resistances +20-30, +20-30 to strength, +20% faster run/walk, and +50-100% damage to demons.