Necropolis Castle Buildings — Olden Era Build Planner

Plan your Necropolis castle upgrades in Olden Era. Track all 34 Necropolis buildings, set your build order, and optimize resource production across the full campaign timeline.

• EverserpentAll friendly creatures gain +10 Defense and take –50% Lucky Strike Damage in battle (including from spells). This city’s dwellings produce +100% units.
• TavernAllows the hiring of new heroes.
• MarketplaceAllows resources to be traded.
• Eternal VisageGrants the kingdom 500 Gold, Law points, and Astrology points daily. +1 hero cap.
• Eternal Visage IIGrants the kingdom 750 Gold, Law points, and Astrology points daily. Allows the owner to pick one level-1 economy upgrade.
• Eternal Visage IIIGrants the kingdom 1000 Gold, Law points, and Astrology points daily. Allows the owner to pick one level-2 economy upgrade.
• Resource DepotProduces 1 Mercury daily.
• Alchemic DepotProduces 5 Alchemical Dust daily.
• BankProduces 1000 Gold daily.
• TreasuryProduces 2000 Gold daily.
• FortificationsProvides walls during sieges. Allows the builder to pick one level-1 defensive upgrade.
• Fortifications IIAdds 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.
• Fortifications IIIAdds 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.
• Undead TransformerAllows sacrificing of any creatures to turn them into Undead units of the same tier.
• KennelAllows the recruitment of Undead Pets.
• Tomb of the WarriorsAllows the recruitment of Dread Knights.
• Tomb of the Warriors IIAllows the recruitment of Avatars of War and Hollow Reapers.
• Crypts and GravesAllows the recruitment of Skeletons.
• Crypts and Graves IIAllows the recruitment of Skeleton Warriors and Skeleton Archers.
• Kennel IIAllows the recruitment of Barghests and Armored Hounds.
• Timeless Mansion IIAllows the recruitment of Pestilent Liches and Sanguine Liches.
• Bone ExchangeAllows the recruitment of Graverobbers.
• Timeless MansionAllows the recruitment of Liches.
• Chateau of FeastsAllows the recruitment of Vampires.
• Chateau of Feasts IIAllows the recruitment of Vampire Lords and Vampire Scholars.
• Quiet PavilionAllows the recruitment of Wights.
• Quiet Pavilion IIAllows the recruitment of Wraiths and Phantasms.
• Bone Exchange IIAllows the recruitment of Merchants of Death and Kennelmasters.
• Well of SoulsWell of Souls
• Mage GuildUnlocks 7 random tier‑1 spells in the Magic Observatory and the ability to spend dust to upgrade tier-1 spells or unlock additional ones. When heroes visit the city, all unlocked tier-1 spells are added to their Spellbook.
• Mage Guild IIUnlocks 6 random tier‑2 spells in the Magic Observatory and the ability to spend dust to upgrade tier-2 spells or unlock additional ones. When heroes visit the city, all unlocked tier-1–2 spells are added to their Spellbook.
• Mage Guild IIIUnlocks 5 random tier‑3 spells in the Magic Observatory and the ability to spend dust to upgrade tier-3 spells or unlock additional ones. When heroes visit the city, all unlocked tier-1–3 spells are added to their Spellbook.
• Mage Guild IVUnlocks 4 random tier‑4 spells in the Magic Observatory and the ability to spend dust to upgrade tier-4 spells or unlock additional ones. When heroes visit the city, all unlocked tier-1–4 spells are added to their Spellbook.
• Mage Guild VUnlocks 3 random tier‑5 spells in the Magic Observatory and the ability to spend dust to upgrade tier-5 spells or unlock additional ones. When heroes visit the city, all unlocked tier-1–5 spells are added to their Spellbook.