Fortifications
DungeonFortification3 levelsPrebuilt
Provides walls during sieges. Allows the builder to pick one level-1 defensive upgrade.
Levels
Each level is built separately, on top of the one beforeFortifications
Level 1Provides walls during sieges. Allows the builder to pick one level-1 defensive upgrade.
Cost
Standing at turn one
Fortifications II
Level 2Adds two towers to the battlements that shoot at attackers during sieges. Allows the builder to pick one level-2 defensive upgrade. City dwellings produce +50% units.
Cost
250010
Requires
Fortifications III
Level 3Adds one more grand tower to the battlements that shoots at attackers during sieges and spikes by the walls. Allows the builder to pick one level-3 defensive upgrade. City dwellings produce +100% units.
Cost
500015Requires
Dungeon build tree
The game's own layout — this building is highlightedSpy Network1Byzantine PalacePrebuiltByzantine Palace II250055Byzantine Palace III50001010Gymnasium5000WarrenPrebuiltWarren II750510Safe HousePrebuiltSafe House II17505120Mage Guild25005Mage Guild II2500222Mage Guild III25005333Mage Guild IV2500555Mage Guild V500010555TavernPrebuiltLyceum2500Amphitheater12505222Amphitheater II12505230Labyrinth4000510Labyrinth II325051040MarketplacePrebuiltBankPrebuiltFortificationsPrebuiltFortifications II250010Fortifications III500015Stilled Voices22505333Stilled Voices II22505550Cave Palace175005520Cave Palace II225005525100Artifact Merchant250055Resource Depot2000Treasury5000555Chthonic Home350010510Chthonic Home II200010101075Alchemic Depot333
