To the south you can visibly see the first boss along with 3 elite trolls on a ledge.

Nalorakk and Co.

When you walk towards Narlorakk he will run away and send the 3 adds on the group. Kill the 3 adds and follow the him. You will have to beat 2 packs of Amani Bears to reach Nalorakk again, who will run away and send in a pack of 4 elite trolls this time.

more Trolls

Up the steps Nalorakk will send in 2 Amani'shi Warbringer, who will dismount off the Amani Bear at 20% HP.

Amani'shi Bear Mounts

Finally Nalorakk will be at a dead end with 2 elite trolls and 2 Amani'shi Warbringers. He will send the 4 adds on the raid - be sure not to move too close to Nalorakk or he will add.

Nowhere to Run