The Campaign, or Main Story, is the second story mode that is featured in The Fall of the Dark Brotherhood expansion. Completing the episodes grants you with new decks, cards, packs, arena tickets, and gold.
- Episode 1: Enter the Shadows
- Murder Scene
- Episode 2: The Corsair Conspiracy
- City Gates
- Princess Barynia
- Castle Wayrest, Grand Hall
- Wayrest Plains
- Castle Wayrest, Throne Room
- Episode 5: The Missing Assassins
- Silverhome on the Water, Back Room
- Episode 6: Revelations
- Night Mother's Crypt
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