Originally Posted by
zeoos
I have a source inside blizzard (can't link anything, not even a conversation in which I blurred out all names, dates and locations) that told me the next expansion will revolve around Battle Pets. There will be a new class: Pet Master.
You will be able to do Pet Battle Raids and gear your pets instead of yourself.
Battle Pet breeding is coming aswell, it will allow you to breed any pet with another, and even cooler, you can breed any pet with a fellow Gnome or Goblin guild member. Gender is not an issue since Blizzard is open-minded.
He couldn't discolose any more details but at least now we have a definitve answer and since this is the internet, only the act of posting this should be enough to prove it's authenticity.