There are four separate groups of Margonites that spawn. Don't wait in the center for the Margonites to come. Instead, have everyone stand at the first spawn site while someone talks to Butoh the Bold. This fight is much easier if you use the Paragon skills Anthem of Flame and "They're on Fire!", because the Ruby Djinn will spam skills which inflict burning, you will get the damage reduction bonus almost continually. Do not worry about the Margonites rushing towards the center, take one group at a time, do not go near the center until you have finished off all other groups, as any Margonites that reach the center will just doze off until you are within aggro range. If you can, heal the Djinn during the fight, they are valuable allies. Also, try using traps. Let them gather in the middle, t