I do not know how cross faction works, but in my opinion it does not do very well in pairings. It can not be that one team put them all with lvs very inferior team and the other team leave all full 55 ...
WoW Freakz link: https://www.wow-freakz.com/npc_finder.php?npc=26668&name=svala-sorrowgrave
Bug description: The first boss of the dungeon, Svala Sorrowgrave, can not be killed, does not attack o ...