Ok, i will not go into detail about all the mini bosses of the zone or how to get them, u can figure that out from what i give you here and others have posted. To start there are 3 final victor situations: Grimlings win, Wolves win, or Owlbears win.
If you want the Grimlings to win follow these d
Just did Xanamech on 4/3. We did this dragon with 29 people average level 61. Was a fun battle with the AE. We had 2 65 warriors, 4 clerics and a mix of other classes. I had the shamans chain slow right away till it dropped. I WS tanked the dragon in them meantime and had the warrior take over aggro
Be ready for when this dude uses the melee dmg mitigation thing, he puts on ill dps and without a nuker or 2 yer done for. Group I normally kill Vxed named with got owned at 6% by this guy cleric ran out of mana =/