Plan your Hive castle upgrades in Olden Era. Track all 34 Hive buildings, set your build order, and optimize resource production across the full campaign timeline.
Chorus ConductorAll friendly creatures gain +10 Attack in battle. +50% Lucky Strike Damage, including from hero spells. This city’s dwellings produce +100% units.
TavernAllows the hiring of new heroes.
MarketplaceAllows resources to be traded.
Apiary's HeartGrants the kingdom 500 Gold, Law points, and Astrology points daily. +1 hero cap.
Apiary's Heart IIGrants the kingdom 750 Gold, Law points, and Astrology points daily. Allows the owner to pick one level-1 economy upgrade.
Apiary's Heart IIIGrants the kingdom 1000 Gold, Law points, and Astrology points daily. Allows the owner to pick one level-2 economy upgrade.
Resource DepotProduces 1 Crystal daily.
Alchemic DepotProduces 5 Alchemical Dust daily.
Beelzebub's HandGrants +2 Attack to any visiting hero.
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.
Paper nestAllows the recruitment of Hornets.
Paper nest IIAllows the recruitment of Chanters and Stingers.
Sacrarium ReditiAllows to revert a hero to level one once. The hero receives a permanent bonus to their attributes that depends on their level at the moment of the ritual.
Carrion LairAllows the recruitment of Locusts.
Carrion Lair IIAllows the recruitment of Overgrown Locusts and Harvester Locusts.
Burning Soul BurrowsAllows the recruitment of Waurmos.
Tower of LoveAllows the recruitment of Hive Queens.
Tower of Love IIAllows the recruitment of Hive Mothers and Hive Huntresses.
Neglected HousingAllows the recruitment of Parasites.
Neglected Housing IIAllows the recruitment of Warden Parasites and Ravager Parasites.
Chitinous Ziggurat IIAllows the recruitment of Volcanic Scorpions and Spelaean Scorpions.
Burning Soul Burrows IIAllows the recruitment of Devourers and Pyroboroses.
Chitinous ZigguratAllows the recruitment of Scorpions.
ApexAllows the recruitment of Reavers.
Apex IIAllows the recruitment of Menacing Reavers and Maniacal Reavers.
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.
