Bogbereth hunts in the north-eastern reaches of Himbar.
Lunathron cautioned you not to face Bogbereth with anything less then a fully-armed war-party. She must be defeated, lest she continues to spawn more of her foul brood.
Objective 2
Defeat Bogbereth
Garth Forthnir is in the eastern part of Himbar.
Lunathron bade you destroy the great spider, Bogbereth. Now that she is no more, you can return to claim your reward.