Units trained at Necropolis
The Necropolis is the Scourge's "Town Hall," where faithful Acolytes are recruited. It is only one of two buildings that can be built on normal land. All other Undead buildings must be placed on Blight
Units trained at Crypt
Primary troop
production building. Trains Ghouls, Crypt Fiends, and Gargoyles. Also contains
the upgrades Ghoul Frenzy, Cannibalize, Stone Form, Web, and Burrow.
Units trained at Temple of the Damned
Spellcaster
production building. Trains Necromancers and Banshees. Also contains upgrades
for Necromancers, Banshees, Skeletal Longevity, and Skeletal Mastery.
Units trained at Slaughter House
Produces Abominations, Obsidian Statues, and Meat Wagons. Also contains the Disease Cloud, and Destroyer Form upgrades.
Sacrificial Pit
This is where Acolytes are permanently turned into Shades.
Units trained at Boneyard
The Boneyard is where Frost Wyrms are created. The Freezing Breath ability is also researched here.
Summonable units of the Undead
The Undead are the masters of summoning. the necromancers are able to summon skeletons and after researching the upgrade can summon skeletal mages. The Dreadlord is able to summon a Infernal as his level 6 skill and the Crypt Lord is able to summon Carrion beetles which get stronger as more skill points are put into the skill.