
Fortifications
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
2,500 Gold10 OreRequires
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
5,000 Gold15 OreRequires
Dungeon build tree
The game's own layout — this building is highlightedSpy Network1 GrailByzantine PalacePrebuiltByzantine Palace II2,500 Gold5 Wood5 OreByzantine Palace III5,000 Gold10 Wood10 OreGymnasium5,000 GoldWarrenPrebuiltWarren II750 Gold5 Ore10 Alchemical DustSafe HousePrebuiltSafe House II1,750 Gold5 Wood1 Gem20 Alchemical DustMage Guild2,500 Gold5 WoodMage Guild II2,500 Gold2 Gems2 Crystals2 MercuryMage Guild III2,500 Gold5 Wood3 Gems3 Crystals3 MercuryMage Guild IV2,500 Gold5 Gems5 Crystals5 MercuryMage Guild V5,000 Gold10 Wood5 Gems5 Crystals5 MercuryTavernPrebuiltLyceum2,500 GoldAmphitheater1,250 Gold5 Ore2 Gems2 Crystals2 MercuryAmphitheater II1,250 Gold5 Ore2 Gems30 Alchemical DustLabyrinth4,000 Gold5 Wood10 OreLabyrinth II3,250 Gold5 Wood10 Ore40 Alchemical DustMarketplacePrebuiltBankPrebuiltFortificationsPrebuiltFortifications II2,500 Gold10 OreFortifications III5,000 Gold15 OreStilled Voices2,250 Gold5 Wood3 Gems3 Crystals3 MercuryStilled Voices II2,250 Gold5 Wood5 Gems50 Alchemical DustCave Palace17,500 Gold5 Wood5 Ore20 GemsCave Palace II22,500 Gold5 Wood5 Ore25 Gems100 Alchemical DustArtifact Merchant2,500 Gold5 Wood5 OreResource Depot2,000 GoldTreasury5,000 Gold5 Gems5 Crystals5 MercuryChthonic Home3,500 Gold10 Wood5 Ore10 GemsChthonic Home II2,000 Gold10 Wood10 Ore10 Gems75 Alchemical DustAlchemic Depot3 Gems3 Crystals3 Mercury


































