Hruga's Follower and the Highlands

The person in black, a follower of Hruga, fled with Hruga's Horn to the nearby Bahamar Highlands.
The highlands are a treacherous land full of sand, stone, and crystals, as well as many mysterious ruins left by the Divine.
To uncover my past and unravel the secret of the revelation, I must go to the Bahamar Highlands and find the follower of Hruga.