i've been playing Ele with 1 monk hero and 2 other SF eles (me aswell SF) i was wondering what would be a good combo with me as a Dervish? what type of hero? what sort of synergy could i get (general PvE)
the necro/rt is your healer/prot type, if that's what you're looking for. Think monk with his own personal battery for energy. It's /Rt not /Mo because most monk heals are underpowered without divine favor.
Notice that these builds do best when you're fighting lots of baddies -- hard mode, glint's challenge, big packs. They're horrible for things like, for instance, The Great Destroyer.
it looks good (i think, dont know much about necro skills) but wouldnt it be better to swap out one necro for a monk?
no. monks dont have unlimited energy. besides you are bringing monk henchmen.