Barb was all I took to 13, but that was partly because I was playing with my 10 year old and he was playing ranged so I took the melee. He was a rushing mofo so I had to keep chasing him down and getting all the mobs that he had beating on his wizard all the time. I had a little chat with him later about how we need to work on him not jumping through every doorway he saw until everyone in the party was ready to move on from the map we were on
I had a lot of fun playing it, and am dying to get to play it past the boneking.