(4) Set: Increases the damage done by your Arcane Blast, Fireball, Frostbolt, Scorch, Pyroblast, Arcane Missiles, and Frostfire Bolt spells by 5%.
Gladiator's Silk Cowl is one of 5 pieces of Gladiator's Regalia, alongside Gladiator's Silk Amice, Gladiator's Silk Handguards and Gladiator's Silk Raiment and others. Bonuses activate at 4 pieces equipped.
In The Burning Crusade it is item level 123 and requires level 70. In Wrath of the Lich King it is item level 123, requires level 70 and sells to vendors for 1c. In MoP Classic it is item level 123, requires level 70 and sells to vendors for 1c.
Read from the World of Warcraft client build files.
How Gladiator's Silk Cowl Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Gladiator's Silk Cowl suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Gladiator's Silk Cowl is part of the transmog set Gladiator's Silk Armor (Mage only). The other 9 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Gladiator's Silk Cowl Fits
Other Items Named Gladiator's Silk Cowl
4 other items in the current build are also called Gladiator's Silk Cowl. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 25855 (25847 to 25862) were usually added in the same batch as Gladiator's Silk Cowl: the same quest line, zone, vendor or reward set.
Plans: Eternium RodID 25847 · Miscellaneous"Teaches you how to make an Eternium Rod."