So where is the Iksar Betrayer spawn now?

[syztem]

Take a group or a 60 monk/shaman and whatever else you want(pref enchanter for calming c2/vog) just levitate up that hallway infront of the main castle entrance. and you can clear down to the slave area(where the bridge if you jumped off takes you) and you can sit in a place where nothing spawns kos, and pull to there, you will find the betrayer popping super commonly. In 1-2 full tube pops your bound to get 1 betrayer per.