RTF is a global modification that replaces all towns in the game.

You are like a galleon without sails - wherever the waves of inspiration take you, that's where you go. (
Should we not expect Necropolis Knights anytime soon?

I think so, the whole problem lies in the horses - it's nice to create a knight from a Dark Messiah, but random horses don't inspire. If I happen to find some Necropolis armor for a horse, I might finish it quickly; there's only a couple of evenings of painting left.