Legion

Light's Vanguard Helm (LFR)
Source: Antorus, the Burning Throne
Battlelord's Greathelm
Source: Quest
Crown of the Silver Hand
Source: Quest
Deathlord's Helm
Source: Quest
Fearless Gladiator's Plate Helm (Horde)
Source: Vendor
Vindictive Gladiator's Plate Helm
Fearless Gladiator's Plate Helm (Elite)
Source: Vendor
Vindictive Gladiator's Plate Helm
Fearless Gladiator's Plate Helm (Alliance)
Source: Vendor
Vindictive Gladiator's Plate Helm
Warhelm of the Obsidian Aspect (Mythic)
Source: The Nighthold
Eventide Casque
Warhelm of the Obsidian Aspect (Heroic)
Source: The Nighthold
Eventide Casque
Warhelm of the Obsidian Aspect (Normal)
Source: The Nighthold
Eventide Casque
Warhelm of the Obsidian Aspect (LFR)
Source: The Nighthold
Eventide Casque
Praetorium Guard's Helmet
Source: Vendor
Greathelm of the Champion, Dead-Watcher Helmet
Garothi Helmet
Source: Vendor
Crown of the Dark Envoy
Source: The Seat of the Triumvirate
Crown of Steely Brambles (Mythic)
Source: Emerald Nightmare
Helmet of the Highlord
Crown of Steely Brambles (Heroic)
Source: Emerald Nightmare
Helmet of the Highlord
Crown of Steely Brambles (Normal)
Source: Emerald Nightmare
Manacrystal-Adorned Helmet, Helmet of the Highlord
Crown of Steely Brambles (LFR)
Source: Emerald Nightmare
Helmet of the Highlord