Oh, he<em>is</em>.  Compared to a bog standard OSR 1st Level anything, he's tougher'n nails.<br/><br/>The thing you're fighting would...well, let me put it this way.  Damage rolls over to the next available target, yeah?  So this thing's squashing up to 12HD worth of 'normal' soldiers every round.  Not a lot of 1st level monsters can do that.  >:)<br/><br/>It's a freakin' balrog with antlers.