Mail of the Fiend
A chest piece emblazoned with demonic glyphs
Medium Armor Epic Set: Fiend Armor Epic Dyeable ID: 905
Follower Damage +4%, Concussive Damage +5%
A strange set of armor, crafted by a cult of maniacs. A forbidden sect of passionate fools that insanely believed they could become that which they worshipped, a demon of the abyss - if only they dressed as one first (and sacrificed as many souls as possible).
About Mail of the Fiend
Mail of the Fiend is an Epic Medium armor piece in Conan Exiles. It provides 147 armor, with 3 heat resistance and 3 cold resistance. It belongs to the Fiend Armor Epic set.
Medium armor is the middle ground: enough mitigation to survive mistakes while keeping reasonable stamina for dodging, which fits most Strength and Agility builds.
Its set or piece bonus reads: "Follower Damage +4%, Concussive Damage +5%".
On the details, it weighs 13.78, has 1080 durability, and can be dyed to match your character.
Within the Fiend Armor Epic set its 147 armor value ranks #1 of 5 pieces.
Verdict: Overall Mail of the Fiend is a Medium piece best used as part of the Fiend Armor Epic set, which rewards a balanced playstyle.