Use your low beams. The visibility in front of you will sharply decrease in a fog, so use the vehicle's low beam lights (if the vehicle does not have fog lights or driving lights). Heavy fog conditions prohibit use of high beam headlights. The light from high beam headlights will be reflected back by thick fog.
Largashbur, an Orc Stronghold. Orc Strongholds are scattered throughout Skyrim, High Rock, and Hammerfell. The Orcs have lived in Skyrim for centuries in tribal communities based around Strongholds. Orcs here live according to the rule of Malacath. Malacath, as Daedric Prince of the Orcs, is worshipped in these places.
When the world of the Orcs of Draenor is being destroyed by the evil fel magic that uses life-force, the powerful warlock Gul'dan creates a portal to the world of Azeroth and forms the Horde with members of the Orc clans. He also captures many prisoners to keep the portal open.