how dose a fury druid deal with physical Immune and Iron Maiden?

...find a friend who has a good sorc, actually, with my ww barb (both physical so same thing) i let my merc do the killin, if he dies, pay to get him back. in dueling..... dont duel necros, all the advice i got

doesnt merc kills them or you skip past them. If you want to kill them merc is all you have