Warlock Pet Damage Dramatically Decreased

Hi, I am a level 50 warlock and I use my felguard all the time. All of a sudden, while I was doing quests, my Felguard started to do only around 125 damage to the monsters. It normally does 400-500. I am currently in Orgrimmar and it's only doing 40 damage to the training dummies. I've relogged, restarted my client, killed the felguard and re-summoned, I summoned another pet, but none of these work. Please help! I can't do anything

*Edit - I was told the demo's are bugged. So i re-spec'd into affliction. However. my pet (felhunter) is STILL doing 125 damage to level 7 boars! Please help.

Pets are bugged, i'm a lvl 90 ,almost full grievous (513 ilvl), warlock and my succubus lash of pain hits for 2k on dummy so unless u need seduction or disarm just play with grimoire of sacrifice until they fix pet damage.

How'd you even get to level 90 in the first place? it takes me about 30 seconds to kill something that's my level. impossible to level this way

Play destruction until u reach lvl 90 then spec affli if u want to pvp (demo is a total mess avoid it)