If this is the artifact given to Martin during the main quest as one of the required objects to open Paradise, he will comment: "There is no disguising the bestial nature of some of the Daedric Princes."
This makes it sound as if the armor was created by some inhumanly cruel process such as flaying the "Savior" alive.
Whilst the cuirass grants the wearer a high Light Armor boost, its powerful Resist Magic enchantment makes it one of the most useful all-round Daedric Artifacts, and indeed items, in the game; especially when combined with other items such as the Mundane Ring (50% Resist Magic) and/or Abilities such as a Breton's natural Magic Resistance.
Comparisons with other gamesEdit
In The Elder Scrolls V: Skyrim, it is, rewarded to the Dragonborn at the end of "Ill Met by Moonlight", if they chose to join the hunt and kill Sinding. It is enchanted with increased Magic resistance by 15% and increased Poison Resistance by 50%.
Elder Scrolls OnlineEdit
In The Elder Scrolls Online it is an armor set, pieces of the armor may be found as loot from quests and enemies throughout Tamriel, starting at character level 40-50. It is enhanced with Adding 80 Spell Resistance (3 pieces) and Reduces cost of Werewolf Transformation by 33% (5 pieces).