Yeah it's pretty bad. DoW on our server exploited the absolute hell out of it and I think its hilarious to see the leader claiming they should stop it now. If you watched his live feed thats how they won it the first time.

What they need to do is, if the mobs de-agro 100%, reset the fight 100%. Despawn all the others and put it back to the gladiator and problem solved. That's what happens in most boss fights in most games.