The Dark Heart of Skyrim storyline begins with the Harrowstorm dungeon DLC, kicking off as soon as this February. Keep an eye on for more updates on this new year-long epic soon, starting with Harrowstorm! The Elder Scrolls Online: Harrowstorm You can experience the entire massive story in these upcoming releases:
In the Dark Heart of Skyrim, you can experience a new year-long adventure, beginning with the upcoming Harrowstorm DLC dungeon pack and continuing through the Greymoor Chapter and beyond. A dark tide of monsters rise from Blackreach and threatens to plunge all of Tamriel into darkness. An ancient evil emerges from the depths, intent on devouring the souls of Skyrim.