My transmog since Legion. Warlock, I tried to mix different pieces that would fit togheter between the red gems and the Purple details. (until Legion it was not possible,shoes were not ingame) :
Merciless Gladiator's Dreadweave Hood - Warlock
Exorcist's Dreadweave Hood - Item - TBC Classic
Gladiator's Dreadgear - Wowpedia - Your wiki guide to the World of Warcraft