Why don't you simply allow each faction to have their own personal area? Like we did with Spacestation Philadelphia.

Light this candle and show the universe we are all lined up to die.

We cheat Death from his rightful victory. No one can defeat us. We are glad to plunge feet first into Annwn in the knowledge that we will rise.

And my army of brothers went over the hilltops, drenched in blood we may be... but fighting is all left to me... Together with my army of brothers... down we fall... darkness is all... through hell!