Kitha

Kitha is an orc demon trainer located in Razor Hill in Durotar.

Gossip
Weary of one of your demonic charges? Hoping for one with a more pleasing name?
 * Warlock

For a price, I can assist you in the obliteration of a current minion so that you may summon an entirely new one...

Sorry, but my services are only of use to warlocks.
 * Non-warlock

We will be ready. Our associates are looking forward to it.
 * War Campaign