Hey for the Vampires... i think the specializations could be...
Von Carsteins(already)
Lahmians [stealth and cunningness] Perhaps unit could be Lahmian Inflitrators?
https://www.google.com.mm/search?q=Stigyoi+warhamer&oq=Stigyoi+warhamer&aqs=chrome..69i57.3889j0j4&sourceid=chrome&ie=UTF-8
Blood Dragons [brute strength] Blood Knights and Drakenhof Templar[Search it]?
Von Carsteins(already)
Lahmians [stealth and cunningness] Perhaps unit could be Lahmian Inflitrators?
https://www.google.com.mm/search?q=Stigyoi+warhamer&oq=Stigyoi+warhamer&aqs=chrome..69i57.3889j0j4&sourceid=chrome&ie=UTF-8
Blood Dragons [brute strength] Blood Knights and Drakenhof Templar[Search it]?