Like any Elder Scrolls game, Skyrim is chock full of Daedric quests that end with you getting a nifty little artifact. But now there's a mod that lets you turn against the Daedra, denying their powerful weapons.
When you first arrive at the dwemer city of Markarth, such a quest presents itself. You enter a haunted house where everything is shaking only to find Molag Bal's mace in the basement. Earning it involves human sacrifice, murdering a Vigilant of Stendarr, and colluding with a devil.
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