Please, don't apologise - I can understand frustration fully. Act 3 is a bit tricky - as... well, I think it has the most bugs of all acts.
Though your elemental king should be there - another question: check your inventory, maybe you've got the teleporter gem already? Looks like a piece of cake (one cut out).
He is the only green cross on the map and turns hostile after you spoke to him. Take care => use the friendly speech option, as I don't know if the hanging cut scene is solved.
