Quote Originally Posted by JeromeGrasdyke
The skeleton names in descr_model_battle.txt have to be exactly correct, for example "fs_spearman, fs_swordsman" (the comma is important, and it's case sensitive); and there has to be a non-zero attack value in the unit stats in export_descr_unit.txt -- and voila, it works.
Sorry, JeromeGrasdyke. Legionario is correct. Many experienced modders have tried it and it does NOT work unless with phalanx hability.