Through ten new screenshots that Turbine fired over this morning, we learn that the Underdark portion of their Dungeons & Dragons Online: Menace of the Underdark expansion pack will be divided into two separate houses - House Necro and House Warrior. These latest screens depict quests that we'll be adventuring through for each of the sinister-looking factions, leaving us to speculate on how they'll be structured and what kind of rewards might be tied to each.