Fourth Echelon is the fourth rank class of four within the Grand Master's Royal Guard in the Dark Brotherhood.
The Fourth Echelon contains Five (5) GMRG Ranks:
- Praetorian [GMRG-PTN]
- Ordinator [GMRG-ORD]
- Imperator [GMRG-IMP]
- Sovereign Protector [GMRG-SOV]
- Commander of the Guard [GMRG-CoG]
It follows the Third Echelon.
It is the final rank class of the GMRG.