Yet another "Wouldn't it be cool if…" thread

[Psitticine]

I would also think it'd be illogical for (to use your example) Ulm to recruit Arcocephalean Priestesses, given the cultural and religious differences between the two peoples. Most of the unique units come from unique viewpoints. It might make sense to be able to recruit, say, Longbowmen no matter what nation you are, but would the Knights of the Chalice really fight for Ermor if their homeland were to be conquered?