The Dovahkiin travels to the Morrowind border, following rumors of a brutal vampire.

Upon reaching the border, he encounters a thick, foggy swamp. Travelling through it, he quickly finds himself lost in the trees and fog. He can hear the howls of wolves, beasts moving through the waters, and other sounds. Eventually, he stumbles upon a small village, in the shadow of a massive silhouette on a hill. The villagers all hide in their homes, avoiding the Dovahkiin, except for one. A man clothed in leather armor, with a crossbow held in one hand.

The man tells him how the villagers are fearful of anybody, for good reason. He was chasing the same rumor as Dovahkiin, and managed to clean enough info off a child to know the current situation. A vampire resides in the castle upon the hill, and has many minions, ranging from wraiths and liches, to skeletons, harpies, and massive bats. To add onto the troubles, a pack of werewolves have been attempting to slay the vampire and assert their dominance in the region. The man is a vampire hunter, and is trying to kill both of the factions to save the villagers. The vampire has been contemplating infecting all the villagers, and spreading his dominion.

So, the Dovahkiin and the hunter have to go try to track the werewolves through the hostile swamp, and make their way through the labyrinths of the castle, through several floors and levels, and confront the vampire.

This could make the game awesome in several ways: -Adds in crossbows for those who care.
-Adds in werewolves for those who want them.
-Possible werebears as well.
-Gothic castle-climber scenario, in a classic '80s fantasy region.
-Van Helsing.
-It has the potential to be a large expansion.
-Could hold a great story.

Edit: GODDAMNIT ANDY!

http://www.uesp.net/wiki/Lore:Pyandonea not sure what it would be about but the island scenery would be nice

I'd want a questline in an out of the way corner of the map, at the bottom of a very deep mine/cave where you have to fight a group of the Order of The Mythic Dawn trying to reopen a gate to Oblivion. They succeed, and you now have to fight your way out of Oblivion, and can either destroy the realm, or dedicate it to one of the Daedric Princes and have it be your home. Depending on which prince you "side" with, the environment changes (Azura's is permanently twilit jungle area, Mehrune's is the Lava filled hellscape from Oblivion, so on and so forth) and populates with friendly daedra and worshipers of that Prince. If you destroy it, then you get a powerful Sigil Stone to recharge magic items and Magicka (not a lot, maybe 100/50 points every 12 hours).

In short I kinda want a better Mothership Zeta for Skyrim.