Sanctum Cay (mission)

Rotscale
Ranger

Skills:
 * Primal Echoes
 * Troll Ungent
 * Choking Gas

Bonus
Find the ghost that loiters around the rock on the beach. Bring him with you till you gets right to the end where all the enemies heads to the dock. Then take the ghost and go up the path til you finds a grave and a headstone. Once he is close to the headstone talk to him and the bonus will be complete.