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 Ore
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
5,000 Gold15 OreRequires
Schism build tree
The game's own layout — this building is highlightedFirmament’s Abyss1 GrailAbyssal RemnantPrebuiltAbyssal Remnant II2,500 Gold5 Wood5 OreAbyssal Remnant III5,000 Gold10 Wood10 OreGreat Library5,000 GoldCultist SpirePrebuiltCultist Spire II1,750 Gold5 Wood5 Ore20 Alchemical DustLesser Summoning RitePrebuiltLesser Summoning Rite II250 Gold5 Mercury10 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 MercuryTavernPrebuiltAga’Shoth Stables2,750 Gold5 Wood5 OreAga’Shoth Stables II750 Gold10 Wood10 Ore30 Alchemical DustDisturbing Summoning Rite2,250 Gold3 Gems3 Crystals6 MercuryDisturbing Summoning Rite II2,000 Gold10 Mercury40 Alchemical DustMarketplacePrebuiltBankPrebuiltFortificationsPrebuiltFortifications II2,500 Gold10 OreFortifications III5,000 Gold15 OreHouse of Chains3,750 Gold5 Wood5 Ore5 MercuryHouse of Chains II2,000 Gold15 Wood15 Ore50 Alchemical DustEerie Summoning Rite15,000 Gold5 Gems5 Crystals15 MercuryEerie Summoning Rite II17,500 Gold25 Mercury100 Alchemical DustArtifact Merchant2,500 Gold5 Wood5 OreResource Depot2,000 GoldTreasury5,000 Gold5 Gems5 Crystals5 MercuryBloated Mansion6,250 Gold5 Wood5 Ore5 MercuryBloated Mansion II3,750 Gold20 Wood20 Ore75 Alchemical DustInvoluntary Summons5,000 Gold3 Gems3 Crystals3 MercuryAlchemic Depot3 Gems3 Crystals3 Mercury
