Cloth Transmog: Felheart Horns (Warlock)

Cloth Transmog - Female Goblin - Felheart Horns

I swear that staff doesn’t always look like a gnarled, mutated flamingo.

Head: Vanilla Raid Drop - Boss Loot or Raid Trash Drop Felheart Horns
Shoulders: Crafted ItemAuction House - Click Here For Undermine Journal Crafted Dreadful Gladiator’s Felweave Amice (Warlock Only)
Back: N/A
Chest:  World Drop - Includes Zone-Specific DropsAuction House - Click Here For Undermine Journal Highborne Padded Armor
Hands: Burning Crusade Raid Drop - Boss Loot or Raid Trash Drop Handguards of Defiled Worlds 
Waist:  World Drop - Includes Zone-Specific DropsAuction House - Click Here For Undermine Journal Triple-Loop Belt
Legs:  World Drop - Includes Zone-Specific DropsAuction House - Click Here For Undermine Journal Gaarn’s Leggings of Infestation 
Feet: Cataclysm Raid Drop - Boss Loot or Raid Trash Drop Treads of Liquid Ice

Main-Hand:  World Drop - Includes Zone-Specific DropsAuction House - Click Here For Undermine Journal Swarming Sting-Staff
Off-Hand: N/A

Transmog Models By Race: Blood ElfDwarf, GnomeGoblinHumanOrcTrollUndeadWorgen

Here’s the full set on Wowhead.

Sometimes, you’ve just got to slap a couple of horns on your head and call it a day.

It’s worth mentioning that World Drop - Includes Zone-Specific DropsAuction House - Click Here For Undermine Journal Gaarn’s Leggings of Infestation is actually a drop from a Mists of Pandaria world rare.