How To Unlock: Complete "Hail Sithis!".
And with all good things, they must come to an end! To finish off the Dark Brotherhood you’ll need to do these quests:
- Breaching Security – Gabriella needs you to do a job.
- The Cure for Madness – Astrid needs your assistance.
- Recipe for Disaster – The penultimate quest sees you head to Markarth and beyond.
- To Kill an Empire - The big, big finale here you’ve been working towards for the DB and it needs the deft touch of a Dark Brotherhood assassin.
- Death Incarnate – Things aren’t over just yet.
- Hail Sithis – Finally…