It is also possible to promote a unit without actually changing its rank, such as how Parson was able to promote himself from garrison to a field unit, and hobgobwins to heavies. The limitations are currently unknown of what classes can and cannot be changed by promotions.
From lowest to highest, the ranks are:
A Unit may be promoted from any lower rank to any higher rank. It is not possible to be promoted above Chief Warlord, since the only position higher is Ruler, and that position requires a vacancy, in which case other rules concerning a Heir and barbarism are involved.
This applies only to a direct military line of promotion. Noble titles, such as Duke or Count, are permanent and altogether separate from military rank. Likewise, a unit cannot be promoted to Caster, nor can a Caster become Chief Warlord.
A barbarian Warlord may claim a City and thereby become a Ruler, but this is not a promotion, because the Warlord is responsible for his or her own rise in rank, and the position is not granted by a higher authority.
- Henchman: "Henchman" is used as an honourific for low-rank unitsErf-b1-p4.
- Lackey: Bogroll was promoted to Parson's lackeyErf-b1-p-p28, indicating that a Lackey is of higher rank than a Henchman.
See Unit for more details.