Warmaster Horus
Explorer
Fights should be appropriate to the threat of the situation. That said, there's nothing like cheating death now and again. If you're lucky.
Did the players make any efforts to turn the foes against one another? One of the best things about using numerous and mixed amounts of lesser foes is it encourages players to try and mitigate their foe's numeric advantage rather than just kill everything.
What's the difference between a swarm of Auraks