Faction Upgrades by Effect

This page lists Faction upgrades and bloodlines by effect.

Gold Production

Click Bonuses
Upgrade	Faction	Description
Elven Treasure Casing	Elf (1,2)	Increase base clicking reward by (250k per unlocked trophy), and increase chance to find faction coins based on the amount of trophies you unlocked. Formula: $floor((1 + 0.05 * x)^{0.95})$  where x is your Trophies Unlocked stat.
Sylvan Treasure Frills	Elf (1,3)	Increase clicking reward by 80% of your building production.
Elven Efficiency	Elf (2,2)	Royal Exchanges also increase clicking reward by 2% each.
Golden Pots	Fairy (2,2)	Increase clicking reward by 20% of the production of Farms, Inns and Blacksmiths combined.
Indestructible Treasure	Dwarf (2,2)	Increase clicking reward based on the amount of buildings you own. Formula: $0.5*x^{0.65}\%$  where x is your Buildings Owned (This Game) stat.
Holy Crusaders	Mercenary (2, Good)	You gain additional Crusader Assistants based on the amount of spells cast in this game. Increase clicking reward by 1000% for each active spell. Formula: $floor((\sqrt{(1 + 0.8 * x)} - 1) / 2)$  where x is your Spells Cast (This Game) stat.
Elven Luck	Elf (3,2)	Each time you click for money you have 1% chance to gain coins equal to 250000% of your production and gathering $(R + 1) * x$ random faction coins, where x is FC chance.

Offline Bonuses
Upgrade	Faction	Description
Unholy Rituals	Undead (2,1)	Increase offline production based on your total time spent being offline. Formula: $round((20*x)^{0.7})\%$  where x is your your Time Spent Offline (Total) stat in hours.
Undead Resilience	Undead (3,3)	Increase offline production by 1.25 times your mana regeneration.

Miscellaneous
Upgrade	Faction	Description
Black Market	Goblin (2,1)	Production bonus from gems is doubled.
Green Fingers Discount	Goblin (3,3)	Gain coins randomly every 10 minutes. Also works while offline. Formula: $randRange(1,1200)*x$  where x is your total coin production per second, including both buildings and assistants.
Mabinogion	Druid (3,1)	Buildings affected by Grand Balance receive an additional bonus based on their tier, giving the best bonus to the lowest. Formula: $(1 + 2.5 * (12 - x))^y$  where x is the building tier and y is the Grand Balance tier.
Elven Bloodline	Elf	Increase the chance to find Faction Coins based on Faction Coins found in this game and auto click 3 times per second. Auto clicks made this way benefit from a 100 times higher clicking reward and Faction Coin find chance. Formula: $floor(15 * \ln(1 + x)^{1.75})$  where x is number of Faction Coins found in this game.
Demon Bloodline	Demon	Increase production bonus from gems based on total time spent being Evil. Formula: $floor(0.04*x^{0.8})\%$  where x is your Time Spent being Evil (Total) stat in seconds.

Building Production

Building Production
Upgrade	Faction	Description
Angelic Determination	Angel (1,2)	Increase the production of all buildings based on spells cast in this game. Formula: $1.5*x^{0.85}\%$  where x is your Spells Cast (This Game) stat.
Wings of Liberty	Angel (3,3)	Increase the production of all buildings based on mana regeneration. Formula: $3 * x^{0.85}$  where x is your Mana per Second stat..
Evil Conquerors	Demon (1,3)	Increase the production of all buildings by 1.5% per Evil Fortress you own.
Deadened Muscles	Undead (1,2)	Increase the production of all buildings by 1.5% per Necropolis you own.
Strong Currency	Goblin (1,1)	Increase the production of all buildings based on the amount of Faction Coins found in this game. Formula: $\ln ^{3}(x)\%$  where x is your Faction Coins Gained (This Game) stat.
Slave Trading	Goblin (1,2)	Increase the production of all buildings by 0.75% per Slave Pen you own.
Cheap Materials	Goblin (1,3)	Increase the production of all buildings based on the cost of a BuyMAX Witch Conclave. Formula: $round(2*\ln(1+x))\%$  where x is the cost displayed for Witch Conclaves with Buy set to MAX.
Colossal Forge	Titan (1,1)	Increase the production of all buildings by 1% per Blacksmith you own.
Charged Clicks	Titan (1,2)	Whenever you cast a spell, your click reward is increased by 250% for 20 seconds. If another spell is cast while this effect is active, it is restored to full duration. Note: despite its description, Charged Clicks applies to all buildings, and is identical in effect to Charged Structures.
Druidic Vocabulary	Druid (1,1)	Increase the production of all buildings based on their tier, giving the best bonus to the lowest. Formula: $4000*x\%$  where x is the building tier, starting at 1 for Halls of Legends and increasing to 11 for Farms.
Deep Memory	Faceless (1,3)	Increase the production of all buildings based on the time spent on your longest game session. Formula: $floor(35*x^{0}.85)\%$  where x is your Playtime (Longest Session) stat in hours. Formula: $(35 * x^1.1)$  where x is your Playtime (Longest Session) stat in hours with Dragon Challenge 3.
Dwarven Ale	Dwarf (1,1)	Increase the production of all buildings by 1% per Inn you own.
Mining Prodigies	Dwarf (1,3)	Increase the production of all buildings based on the total amount of Excavations you made. Formula: $10*x^{0.9}\%$  where x is the number of excavations you've purchased.
Underworld Tyranny	Drow (1,1)	Increase the production of all buildings based on your total time spent being Evil. Formula: $(15*x)^{0}.7\%$  where x is your Time Spent being Evil (Total) stat in hours.
Shadow Advance	Drow (1,3)	Increase the production of all buildings by 750% while you have no spells active. Also increase Offline production by the same amount.
Eternal Wisdom	Dragon (1,3)	Increase the production of all buildings based on Royal Exchange bonus. Formula: $({2*(x^{1.15})}\%)$  where x is Royal Exchange bonus.
Secret Clicking Techniques	Elf (2,3)	Increases the production of all buildings based on your total amount of clicks. Formula: $ln^{2.5}(1+x)\%$  where x is your Treasure Clicks (Total) stat.
Plagued Buildings	Undead (2,3)	Increase the production of all buildings by an additional 50% per hour of playtime in this game. PA: Increase the production of all buildings based on the time spent in this game. (48.3% after 1 week, 58.8% after 2 weeks)
Hobgoblin Gladiators	Goblin (2,2)	Increase the production of all buildings by 0.75% per Orcish Arena you own.
Goblin Economists	Goblin (2,3)	Increase the production of all buildings based on upgrades purchased. Formula: $x^{1.2}\%$  where x is your Upgrades Purchased (This Game) stat.
Charged Structures	Titan (2,2)	Whenever you cast a spell, the production of all buildings is increased by 250% for 20 seconds. If another spell is cast while this effect is active, it is restored to full duration.
Cyclopean Strength	Titan (2,3)	Each assistant increases the production of all buildings by 0.25% per Hall of Legends you own.
Bardic Knowledge	Druid (2,2)	Increase the production of all buildings based on your maximum mana. Formula: $1.75*x^{0.9}\%$  where x is your maximum mana.
Gold Synthesis	Faceless (2,1)	Increase the production of all buildings by 1.5% per Alchemist Lab you own.
Overgrowth	Faceless (2,3)	Increase the production of all buildings based on the highest amount of buildings purchased in a single game. Formula: $0.8*(x^{0.8})\%$  where x is your Buildings Owned (Max) stat.
Blood Sacrifices	Drow (2,2)	Increase the production of all buildings by 2.5% per Dark Temple you own.
Bountiful Hoard	Dragon (2,2)	Increase the production of all buildings based on the amount of Artifacts you found. Formula: $({5*(x^{1.25})}\%)$  where x is amount of artifacts you found.
Heresiarchs	Mercenary (2,Evil)	Increase the production of Evil buildings based on your most built Evil building. Formula: $round(1.15*x^{0.85})\%$  where x is the number of the most-built evil building you own.
Chromatic Scales	Dragon (3,3)	Increase the production of all buildings based on the amount of active Dragon's Breath effects. Formula: $({100*(x^{2})}\%)$  where x is amount of active Dragon's Breath effects.
Rainbow Link	Fairy (3,2)	Increase the production of all buildings by 0.3% per Farm, Inn and Blacksmith you own.
Dead Fields	Undead (3,1)	Each assistant increases the production of all buildings by 0.015% per Necropolises you own. PA: Each assistant increases the production of all buildings based on the amount of Necropolises you own.
Building Jungle	Druid (3,3)	Increase the production of each building by 1.75% per building of the same type.
Hive Mind	Faceless (3,3)	Increase the production of all buildings based on the amount of time spent affiliated with the Faceless. Persists through Reincarnations. Formula: $round(0.1*x^{0.75})\%$  where x is your total time spent as Faceless in seconds, which persists through reincarnations..
Battlehammers	Dwarf (3,1)	Increase the production of all buildings based on the amount of Dwarven Coins found in this game. Formula: $\ln(x)^{3}*1.5\%$  where x is Dwarven Coins Gained (This Game).
Magic Resistance	Dwarf (3,2)	Increase the production of all buildings based on mana regeneration rate. Formula: $floor(80*x^{0.85})\%$  where x is your Mana per Second stat.
Titan Obelisk	Titan (3,3)	Increase the production of all other buildings by 2.25% per Ancient Pyramid you own.
Overwatch	Dwarf (3,3)	Your production is increased by 600% so long as there are mouse movements. Clicking and casting are not considered as movements. This bonus falls off by 1% per second, down to 0 while inactive.
Blade Dance	Drow (3,3)	Part of the Combo Strike chain bonus is applied passively. Formula: $0.3 * x$  where x is your current Combo Strike bonus.
Titan Bloodline	Titan	Increase the production of all buildings based on the amount of Royal Exchanges you purchased. Formula: $15*x^{0.85}\%$  where x is the amount of Royal Exchanges you own.
Dragon Bloodline	Dragon	Increase the production of all buildings based on Faction Coin find chance. Formula: $4 * (x^{0.4})$  where x is your Faction Coin find chance.
Dwarven Bloodline	Dwarf	Increase the production of all buildings based on the amount of excavations you made. Formula: $floor(10*x^{0.8})\%$  where x is your number of excavations purchased.

Specific-Building Production
Upgrade	Faction	Description
Pixie Dust Fertilizer	Fairy (1,1)	Increase the base production of Farms by +98 and reduce the building cost multiplier. Reduces cost multiplier by 0.035; with no other reductions applying, the multiplier will be 1.115 instead of 1.15.
Fairy Cuisine	Fairy (1,2)	Increase the base production of Inns by +234 and reduce the building cost multiplier. Reduces cost multiplier by 0.03; with no other reductions applying, the multiplier will be 1.12 instead of 1.15.
Starmetal Alloys	Fairy (1,3)	Increase the base production of Blacksmiths by +580 and reduce the building cost multiplier. Reduces cost multiplier by 0.025; with no other reductions applying, the multiplier will be 1.125 instead of 1.15.
Torture Chambers	Demon (1,1)	Increase the production of Evil Fortresses by 5% for each assistant you own.
Devil Tyrant	Demon (1,2)	Increase the production of the three highest building tiers by 0.5% for each trophy you unlocked.
The Walking Dead	Undead (1,1)	Increase the production of Necropolises by 5000%. PA: 48.2%
Territorial Expanse	Faceless (1,1)	You have a chance to have a Labyrinth built for free each time you click for money. This chance is based on your income per second and the cost of the next Labyrinth. Labyrinths production is also increased by 5,000% for each assistant you own. Formula: $min(100,30*(P+A)/C))\%$ where P is production per second excluding assistants, A is the production per second of one assistant, and C is the cost to buy one Labyrinth.
Dragonscales	Dragon (1,1)	Increase the production of Stone Pillars, Labyrinths, and Halls of Legends based on the total amount of time spent as Neutral. Formula: $({(1.25*t/60)^{0.55})}\%)$  where x is total amount of time spent as Neutral.
Iron Flight	Dragon (1,2)	Increase the production of Iron Stronghold by 2000% when affected by any Spell.
Fairy Workers	Fairy (2,1)	Increase the production of Farms, Inns and Blacksmiths by 15,000%.
Lava Pits	Demon (2,1)	Increase the base production of Hell Portals and Evil Fortresses by +200,000.
Demon Overseers	Demon (2,2)	Increase the production of the three highest building tiers by 0.5% for each trophy you unlocked.
Demonic Presence	Demon (2,3)	Increase the production of the two highest building tiers by 0.2% for each building you own.
Titan Drill	Titan (2,1)	Increases the production of Deep Mines by 250,000%.
Underground Citadels	Dwarf (2,1)	Increase the production of Citadels based on the gems you own. Formula: $round(210*\log(x)1.5)\%$  where x is your current number of gems.
Very Bad Guys	Demon (3,3)	Let Blood Frenzy target Hall of Legends and increase the production of Halls of Legends by +0.05% per trophy for each Evil Fortress and Hell Portal you own.
Titan Sized Walls	Titan (3,1)	Increase the production of Monasteries by 25,000%.
Spider Gods	Drow (3,1)	Increase the production of Dark Temples by 5% for each other building you own.
Fairy Bloodline	Fairy	Increase the production of Farm, Inn and Blacksmith based on the assistants you own. Formula: $250*x^{0.9}\%$  where x is the number of assistants you have.

Faction Coins

Find Chance
Upgrade	Faction	Description
Elven Mint	Elf (1,1)	The base chance to find Faction Coins is doubled.
Elven Treasure Casing	Elf (1,2)	Increase base clicking reward by (250k per unlocked trophy), and increase chance to find faction coins based on the amount of trophies you unlocked. Formula: $floor((1 + 0.05 * x)^{0.95})$  where x is your Trophies Unlocked stat.
Natural Recycling	Druid (1,3)	Increase Faction Coin find chance additively and multiplicatively based on the amount of the least productive building you own. Formula: $(x^{0.35})$  where x is the amount of the building with the lowest production.
Evolutive Mutation	Faceless (1,2)	Increase Faction Coin find chance based on the amount of Labyrinths you own. Formula: $floor(3 * x^{0.6})$  where x is the number of Labyrinths you own.
Honor Among Killers	Drow (1,2)	Increase Faction Coin find chance based on the amount of assistants you own. Formula: $floor(3 * x^{0.9})$  where x is your Assistants stat.
Fool's Gold	Goblin (3,2)	Increase Faction Coin find chance based on the amount of Witch Conclaves you own. Formula: $floor(2*x^{0.6})\%$  where x is the number of Witch Conclaves you own.
Elven Bloodline	Elf	Increase the chance to find Faction Coins based on Faction Coins found in this game and auto click 3 times per second. Auto clicks made this way benefit from a 100 times higher clicking reward and Faction Coin find chance. Formula: $floor(15 * \ln(1 + x)^{1.75})$  where x is number of Faction Coins found in this game.
Drow Bloodline	Drow	Multiplicatively increase the chance to find Faction Coins based on time spent in this game. Formula: $1.6 * x^{0.6}$  where x is time spent in this game.

FC Production
Upgrade	Faction	Description
Elven Diplomacy	Elf (3,1)	Increase the production of all buildings based on your chance to find Faction Coins. Formula: $2 * x$  where x is your chance to find Faction Coins.
Heavy Coins	Titan (3,2)	Increase Royal Exchanges production bonus by an additional 40% each.

FC Miscellaneous
Upgrade	Faction	Description
Elven Emissary	Elf (2,1)	Increase clicking reward based on the amount of Good buildings you own, and assistants find 3 times as many Faction Coins. Formula: $x^{0.6}\%$  where x is the number of Good buildings you own.
Elven Luck	Elf (3,2)	Each time you click for money you have 1% chance to gain coins equal to 250000% of your production and gathering $(R + 1) * x$ random faction coins, where x is FC chance.
Trade Lords	Mercenary (2,Neutral)	When assistants finds a faction coin, they also find a faction coin for every other faction. Increase mana regeneration based on faction coins gained in this game. Formula: $floor(10 * \log(1 + x^{1.5})) / 10$  where x is your Faction Coins Gained (This Game) stat.
Elven Bloodline	Elf	Increase the chance to find Faction Coins based on Faction Coins found in this game and auto click 3 times per second. Auto clicks made this way benefit from a 100 times higher clicking reward and Faction Coin find chance. Formula: $floor(15 * \ln(1 + x)^{1.75})$  where x is number of Faction Coins found in this game.

Magic Upgrades

Mana Regen
Upgrade	Faction	Description
Holy Bells	Angel (1,1)	Cathedrals also increase your mana regeneration rate. Formula: $x^{0.28}$  where x is the number of Cathedrals you own.
Angel Feathers	Angel (1,3)	Increase mana regeneration by 40%.
Death Temples	Undead (1,3)	Dark Temples also increase your mana regeneration rate. Formula: $x^{0.275}$  where x is the number of Dark Temples you own. Reverse Formula: $x^{(1000 / 275)}$  where x is your desired mana regen.
Guardian Angels	Angel (2,1)	Royal Castles also increase your mana regeneration rate. Formula: $x^{0.305}$  where x is the number of Royal Castles you own. Reverse Formula: $x^{(1000 / 305)}$  where x is your desired mana regen.
Archangel Feathers	Angel (2,3)	Increase mana regeneration by 60%.
Spellsmith	Fairy (2,3)	Blacksmiths also increase your mana regeneration rate. Formula: $x^{0.25}$  where x is the number of Blacksmiths you own.
Shapeshifting	Druid (2,3)	Increase mana regeneration based on the amount of assistants you own. Formula: $1.3 * x^{0.7}$  where x is the number of assistants you own.
Mana Addicts	Drow (2,1)	Mana regeneration increases over time. Formula: $0.25 * x ^{0.55}$  where x is your Play Time (This Game) stat in seconds.
Trade Lords	Mercenary (2,Neutral)	When assistants finds a faction coin, they also find a faction coin for every other faction. Increase mana regeneration based on faction coins gained in this game. Formula: $floor(10 * log(1 + x^{1.5})) / 10$  where x is your Faction Coins Gained (This Game) stat.
Ancient Clicking Arts	Elf (3,3)	Increase mana regeneration based on your total amount of clicks. Formula: $floor(10 * \log_{10}(1 + x^2)) / 10$  where x is your Treasure Clicks (Total) stat.
Magical Gates	Angel (3,1)	Heaven's Gates also increase your mana regeneration rate. Formula: $x^{0.33}$  where x is the number of Heaven’s Gates you own.
Infernal Magic	Demon (3,1)	Hell Portals also increase your mana regeneration rate. Formula: $x^{0.325}$  where x is the number of Hell Portals you own.
Earthly Soul	Druid (3,2)	Stone Pillars also increase your mana regeneration rate. Formula: $x^{0.25}$  where x is Stone Pillars.
Magical Treasure	Faceless (3,1)	Increase mana regeneration based on the amount of assistants you own. Formula: $0.75 * x^{0.75}$  where x is the number of assistants you own.
Imposing Presence	Dragon (1,1)	Increase mana regeneration based on the amount of neutral buildings you own. Formula: $floor((1 * (x^{0.55})) / 10)$  where x is the number of Neutral Buildings you own.
Druid Bloodline	Druid	Increase mana regeneration based on maximum mana. Formula: $0.03 * x^{0.95}$  where x is your maximum mana. (non-linear value).
Angel Bloodline	Angel	Increase mana regeneration based on spells cast this game. Formula: $(1.31 * x^{0.31})$  where x is spell casts (this game)..

Max Mana
Upgrade	Faction	Description
Earthly Bond	Druid (2,1)	Increase maximum Mana by 2.0 for each Stone Pillars you own.
Kind Hearts	Fairy (3,1)	Increases maximum Mana by 1 every 12 Good buildings you own. Formula: $floor(x / 12)$  where x is Good buildings.
Ancient Hunger	Dragon (3,1)	Increase maximum mana based on the amount of Faction Coins found in this game. Formula: $floor(45 * \ln(1 + (x^{6.5}))M)$  where x is amount of FCs found (This Game).

Spells
Upgrade	Faction	Description
Angelic Wisdom	Angel (2,2)	Decrease the cost of all spells by 100. Also increases offline spell cast amount by multiplicatively based on your offline mana regeneration $(10 * \log_{10}(1 + x))$
Angelic Dominance	Angel (3,2)	Spell durations are increased by 50%.
Very Bad Guys	Demon (3,3)	Let Blood Frenzy target Hall of Legends and increase the production of Halls of Legends by +0.05% per trophy for each Evil Fortress and Hell Portal you own.
Goblin Central Bank	Goblin (3,1)	Whenever you cast a spell, also cast Tax Collection for free. (Does not work offline.)

Assistant Upgrades

Assistant Production
Upgrade	Faction	Description
Oversized Legends	Titan (1,3)	Reduce Hall of Legends building cost multiplier and increase assistants production by 1% per Hall of Legends you own. Reduces cost multiplier by 0.02; with no other reductions applying, the multiplier will be 1.13 instead of 1.15.
Bearded Assistants	Dwarf (2,3)	Increase the production of assistants based on how long their beard is (it grows over time!). Formula: $0.03*x^{0.7}\%$  where x is your Playtime (This Game) stat in seconds.
Dragonborn	Dragon (2,1)	Increase assistants production based on time spent affiliated with Dragons. Formula: $({0.75*(x^{0.55})}\%)$  where x is amount of time spent with Dragons.
Tireless Workers	Undead (3,2)	Increase the production of assistants by 1000%. PA: 27.1%
Abominations	Faceless (3,2)	Increase the production of assistants by an additional 300% for each active spell.
Professional Assassins	Drow (3,2)	Increase the production of assistants based on the amount of royal exchanges you purchased in this game. Formula: $round(10*x^{0.8})\%$  where x is your Royal Exchanges Made stat.

Additional Assistants
Upgrade	Faction	Description
Animal Companions	Druid (1,2)	You instantly attract 3 Animal assistants and more will come based on the time spent in this game. Formula: $floor((\sqrt{(1 + 12 * x)} - 1) / 2)$  where x is your your Playtime (This Game) stat in hours.
Corpse Supply	Undead (2,2)	You gain additional assistants based on the amount of Necropolises you own. Formula: $floor(\sqrt{(3 * x + 1)} - 1)$  where x is the number of Necropolis you own.
Mitosis	Faceless (2,2)	You gain additional Faceless Assistants based on the amount of buildings you own. Formula: $floor(0.3 * x^{0.5})$  where x is your Buildings Owned (This Game) stat.
Sharp Claws	Dragon (2,3)	Gain additional assistants based on clicks made in this game. Formula: $floor(0.1 * \ln(1 + x)^{2.75})$  where x is number of clicks.
Holy Crusaders	Mercenary (2, Good)	You gain additional Crusader Assistants based on the amount of spells cast in this game. Increase clicking reward by 1000% for each active spell. Formula: $floor((\sqrt{(1 + 0.8 * x)} - 1) / 2)$  where x is your Spells Cast (This Game) stat.
Swarm of Fairies	Fairy (3,3)	You gain additional assistants based on the amount of Farms, Inns and Blacksmiths you own. Formula: $floor((sqrt(1+4*x)-1)/3)$  where x is the number of Farms, Inns, and Blacksmiths you own. Reverse Formula: $ceiling(((x*3+1)^{2-1})/4)$  where x is the number of Assistants you own.
Burning Legion	Demon (3,2)	You gain additional assistants based on the amount of Hell Portals you own. Formula: $floor(\sqrt{(1+2.5*x)}-1)$  where x is the number of Hell Portals you own.
Undead Bloodline	Undead	Gain additional assistants based on the amount of times you reincarnated. Formula: $floor(8 * x^{0.8})$  where x is the number of times you have reincarnated.

Assistant Synergy
Upgrade	Faction	Description
Torture Chambers	Demon (1,1)	Increase the production of Evil Fortresses by 5% for each assistant you own.
Territorial Expanse	Faceless (1,1)	You have a chance to have a Labyrinth built for free each time you click for money. This chance is based on your income per second and the cost of the next Labyrinth. Labyrinths production is also increased by 5,000% for each assistant you own. Formula: $min(100,30*(P+A)/C))\%$ where P is production per second excluding assistants, A is the production per second of one assistant, and C is the cost to buy one Labyrinth.
Honor Among Killers	Drow (1,2)	Increase Faction Coin find chance based on the amount of assistants you own. Formula: $floor(3 * x^{0.9})$  where x is your Assistants stat.
Cyclopean Strength	Titan (2,3)	Each assistant increases the production of all buildings by 0.25% per Hall of Legends you own.
Shapeshifting	Druid (2,3)	Increase mana regeneration based on the amount of assistants you own. Formula: $1.3 * x^{0.7}$  where x is the number of assistants you own.
Magical Treasure	Faceless (3,1)	Increase mana regeneration based on the amount of assistants you own. Formula: $0.75 * x^{0.75}$  where x is the number of assistants you own.
Dead Fields	Undead (3,1)	Each assistant increases the production of all buildings by 0.015% per Necropolises you own. PA: Each assistant increases the production of all buildings based on the amount of Necropolises you own.
Fairy Bloodline	Fairy	Increase the production of Farm, Inn and Blacksmith based on the assistants you own. Formula: $250*x^{0.9}\%$  where x is the number of assistants you have.

Other Upgrades

Cost Multiplier Reductions
Upgrade	Faction	Description
Pixie Dust Fertilizer	Fairy (1,1)	Increase the base production of Farms by +98 and reduce the building cost multiplier. Reduces cost multiplier by 0.035; with no other reductions applying, the multiplier will be 1.115 instead of 1.15.
Fairy Cuisine	Fairy (1,2)	Increase the base production of Inns by +234 and reduce the building cost multiplier. Reduces cost multiplier by 0.03; with no other reductions applying, the multiplier will be 1.12 instead of 1.15.
Starmetal Alloys	Fairy (1,3)	Increase the base production of Blacksmiths by +580 and reduce the building cost multiplier. Reduces cost multiplier by 0.025; with no other reductions applying, the multiplier will be 1.125 instead of 1.15.
Oversized Legends	Titan (1,3)	Reduce Hall of Legends building cost multiplier and increase assistants production by 1% per Hall of Legends you own. Reduces cost multiplier by 0.02; with no other reductions applying, the multiplier will be 1.13 instead of 1.15.
Expert Masonry	Dwarf (1,2)	Reduce all building cost multipliers. Reduces cost multiplier by 0.02; with no other reductions applying, the multiplier will be 1.13 instead of 1.15.
Blackmail	Drow (2,3)	Reduce the cost multiplier for Royal Exchanges. Reduces cost multiplier by 0.025; with no other reductions applying, the multiplier will be 1.075 instead of 1.1.
Goblin Bloodline	Goblin	Reduce all building cost multipliers. Reduces cost multiplier by 0.02; with no other reductions applying, the multiplier will be 1.13 instead of 1.15.

Miscellaneous
Upgrade	Faction	Description
Territorial Expanse	Faceless (1,1)	You have a chance to have a Labyrinth built for free each time you click for money. This chance is based on your income per second and the cost of the next Labyrinth. Labyrinths production is also increased by 5,000% for each assistant you own. Formula: $min(100,30*(P+A)/C))\%$ where P is production per second excluding assistants, A is the production per second of one assistant, and C is the cost to buy one Labyrinth.

See Also

• Challenge Upgrades
• Research Upgrades