Dux

After the restructuring of the Dark Brotherhood the position of Dux was created. Dux are the leaders of their respected Hetaria and can choose their Vicarius. Dux is a fusion of Quaestor and Battleteam Leader designed to lead a Hetaria.
With the re-restructure this position was abandoned.

Trivia

Dux was created under the restructure of Grand Master Czulvang Lah