This is my final suggestion for MD, and it is, of course, for Torch Contest.
Instead of being dead, vanquished soldiers are "Fallen". They get a tag saying "Fallen of (land they fought for)" and cannot fight, move, cast spells or use items. Necrovion fallen would have the tag "Fallen of NV", Golemus would be "Fallen of GG", and so on.
Each Land would have a Ruler Item that functions as a leash or the spell used to summon the warriors from that land, which is able to drag all of the Fallen of that land to the user's location.
New resources would be created with each land having its own ty