Necropolis/Halls of the Dead/Black Citadel[edit | edit source]
The central base building. Produces Acolytes, the Undead worker units, although they cannot harvest lumber. Has a nasty defensive bite.
Ziggurat[edit | edit source]
Provides food. Has a nasty defensive bite, although it isn't very durable.
Altar of Darkness[edit | edit source]
Produces Heroes.
Graveyard[edit | edit source]
Provides upgrades. Continually spawns corpses around itself to be used by Meat Wagons and Necromancers and Ghouls. Also used as lumber drop-off.
Crypt[edit | edit source]
Produces the early Undead combat units - Ghouls and Crypt Fiends.
Slaughterhouse[edit | edit source]
Produces Abominations (big melee units) and Meat Wagons (artillery and corpse transports).
Temple of the Damned[edit | edit source]
Trains Necromancers and Banshees, the Undead spell-casters. Can upgrade their abilities here.
Sacrificial Pit[edit | edit source]
Used to convert Acolytes to Shades.
Boneyard[edit | edit source]
Trains Frost Wyrms (big honking air units). They might be big, but they can be killed very quickly by proper anti-air tactics. You can upgrade their breath attack here.