To my understanding Undead Mummies are functionally a cosmetic reskin of Undead Footmen: When you cast the basic summon undead spells you will get a mixture of naked undead (basically the cannon fodder) and normal undead (either Undead Footmen or Undead mummies depending on where you are in the map: Mummies for those in the Sarrranid Sultanate equilvent and footmen for everywhere else). The cannon fodder undead can also be upgraded into either footmen or mummies depending on if you want an army of desert themed undead or Swadian themed undead. Undead Knights (the riders in black armor) are a high level elite unit which is very powerful, hence why you only get three of them per summon.

As for Fallen I haven't encountered them, but that is because I haven't played since 1.0 dropped. I hope this helps.

I'm not aware of a troop by the name "Fallen", are you sure it's not something else?

And yes, when you perform necromancy in desert areas you get Undead Mummies instead of Undead Footmen, and Undead Mamlukes instead of Undead Knights.

Originally posted by Maelubiyet:

I'm not aware of a troop by the name "Fallen", are you sure it's not something else?

And yes, when you perform necromancy in desert areas you get Undead Mummies instead of Undead Footmen, and Undead Mamlukes instead of Undead Knights.

I think fallen was name given by someone as a nickname instead of the full name. Thank you for responding though! Also just letting you know that I love this mod so much and its actually the reason I bought this game. Keep up the awesome work!

Pretty sure the term Fallen is from another mod. From what I can figure the mummies cost nine more gold and have worse gear.