Question: aow 3 how to heal undead?
Answer: Add the raise dead abilitiy on the reanimators you can quickly make a 3 army reanimator group into a 6 army reanimator/cadavar group =3 Cadavaers have decay on world map, so they drop 8 hit points per turn, but you can easily manage 2 cadavers per one reanimator thanks to heal undead =D.