dark brotherhood and thief guild really have way more potential than the previous 2 dlc.
Supposely both guilds have way more hideout than gold coast and anvil. (you know about Dark brotherhood, and while anvil thief guild just getting strong again, there is supposely separate thief guilds among cities)
And both guilds lack active abilities (Before morrowind, dlc-only abilities may raise questions, however since we can pay-only sets like dlc and morrowind sets, and more over....a chapter-only class, I don't see why the guilds can't have active abilities anymore)