**In-game description**

Undeads are resilient and tireless, but most importantly, they can't die.

Affiliating yourself with the Undead faction will grant you a steady flow of production which increases drastically as time passes.

**Alignment**: Evil

Part of the Evil Vanilla Factions, the Undead become more powerful with time. Their Heritage and Bloodline give assistants based on playtime and reincarnations and is more frequently used in late games.

**Unlock Requirement**: None (all Vanilla Factions are enabled by default)

**Faction spell**

** Night Time**

**Cost**: 1,000 Mana - **Duration**: 20 seconds

**Effect**: The production of assistants is increased by 30% per Necropolis you own.

**Spell Trophy & Upgrade**

** True Night**

**Requirement**: Cast Night Time between 11 PM and 6 AM (local time).

**Cost**: 1 M (1e6), A1+ Free

**Effect**: Increases Night Time's production of assistants to 40% per Necropolis.

**Tier 1 Upgrades**

** Undead Trade Treaty**

**Cost**: 20 Undead Coins

**Effect**: Unlocks Undead upgrades.

** The Walking Dead**

**Cost**: 50 M (5e7)

**Effect**: Increase Faction Coin find chance additively based on assistants owned.

**Formula**: +(ln(1 + x) ^ 1.75)%, where x is assistants owned.

** Deadened Muscles**

**Cost**: 500 M (5e8)

**Effect**: Increase the production of all buildings based on the highest amount of Necropolises you built in this Reincarnation.

**Formula**: (4 * x ^ 0.8)%, where x is the the highest amount of Necropolises you built in this Reincarnation.

** Death Temples**

**Cost**: 5 B (5e9)

**Effect**: Increase Mana Regeneration additively based on the highest amount of Necropolises you built in this Reincarnation.

**Formula**: +(x ^ 0.3), where x is the highest amount of Necropolises you built in this Reincarnation.

**Tier 2 Upgrades**

** Undead Friendship Pact**

**Cost**: 100 Undead Coins

**Effect**: Unlocks more Undead upgrades.

** Unholy Rituals**

**Cost**: 500 B (5e11)

**Effect**: Increase offline production based on time spent being offline in this Reincarnation.

**Formula**: (0.4 * x ^ 0.8)%, where x is your offline time this Reincarnation.

** Corpse Supply**

**Cost**: 5 T (5e12)

**Effect**: Gain additional assistants based on time spent being offline in this Reincarnation.

**Formula**: +(0.4 * x ^ 0.6), where x is the time spent offline in this Reincarnation.

** Plagued Buildings**

**Cost**: 50 T (5e13)

**Effect**: Increase the production of all buildings based on time spent in this game.

**Formula**: ((0.75 * x ^ 0.75)%, where x is time spent this game.

**Tier 3 Upgrades**

** Undead Alliance**

**Cost**: 500 Undead Coins

**Effect**: Unlocks more Undead upgrades.

** Dead Fields**

**Cost**: 5 Qa (5e15)

**Effect**: Buildings count 75% more.

** Tireless Workers**

**Cost**: 50 Qa (5e16)

**Effect**: Increase the production of assistants by 1500%.

** Undead Resilience**

**Cost**: 500 Qa (5e17)

**Effect**: Increases offline production based on Mana Regeneration.

**Formula**: (125 * ln(1 + x) ^ 2.5)%, where x is your Mana Regeneration.

** Undead Heritage**

**Requirements**: Undead Champion Trophy

**Cost**: 5000 Undead Coins

**Effect**: You gain additional assistants based on the time spent in this game.

**Formula**: +(floor(1 + 1.6 * (x / 3600) ^ 0.6)), where x is time spent this game.

**Undead Research Requirements**

** Undercities Quest**

Hello there. The dead stand ready. Give them a place to rise and live again... Build enough Necropolises, we'll take care of the rest.

**Requirement**: R16 + 1,750 Necropolises

**Cost**: 10 Dtg (1e100)

** Undercity**

**Description**:Upgrade Necropolises To Undercities, boosting their production based on time spent in this game and unlocking more unique perks for the building.

**Formula**: (12 * (2.5 * x) ^ 0.75)%, where x is your Playtime (This Game) stat.

**Requirements**: Buy "Undercities Quest"

**Cost**: 10 Ttg (1e103)

**Effect**: Also allows access to the Research Facilities.

** Laboratory**

**Requirements**: Undercities and all Undead faction upgrades bought.

**Cost**: 10 Notg (1e121) coins, 1 M (1e6) Undead coins

**Effect**: Unlocks the Alchemy research facility and increases Undead production by 100000%, plus an additional bonus based on Alchemy research points.

**Note**: Required once throughout the entire game play and does not count towards the bought upgrade stat.

**Unique Building**

Upgraded from Necropolis

At R16, the Undead's building Necropolis can be upgraded to a Unique Building: Undercity, which is required for some challenges and research quests.

**Ascension 2 - R100+**

**Additional Alignment**: Order

** Flesh Workshop Quest**

**Description**: Heelloo... The dead need to rest... accumulate a high enough offline production to allow them their peace, and they'll be forever your servants.

**Requirement**: 500,000% offline production bonus

**Cost**: 1 Ud (1e36) Emerald Coins

**Effect**: Grants access to Unique Building.

** Unique Building Upgrade**

**Requirement**: Flesh Workshop Quest

**Cost**: 1 Td (1e42) Emerald Coins

**Effect**: Gives Flesh Workshop Unique Building.

**Unique Building**

Upgrade Orcish Arenas to Flesh Workshops, boosting their production based on your mana regeneration rate and unlocking more unique perks for the building.

**Requirement**: Flesh Workshop Quest

**Effect**: Increase production based on Mana Regeneration.

**Formula**: (35 * x ^ 0.65)%, where x is your Mana Regeneration.

**Effect**: Grants access to Faction Union.

**Tier 4 Upgrades**

** Undead Union**

**Requirement**: Flesh Workshop Unique Building

**Cost**: 1 Qi (1e18) Undead Coins

**Effect**: Grants access to Union Upgrades.

**Effect (R111+)**: Increase the production of Unique Buildings based on your Offline production.

**Formula**: (360 * ln(1 + x) ^ 2.8)%, where x is your Offline production.

** Flesh Servants**

**Requirement**: Undead Union

**Cost**: 1 Nod (1e60) Emerald Coins

**Effect**: Mutiplicatively increase assistants based on the highest amount of Flesh Workshops you built in this Reincarnation.

**Formula**: (1.3 * x ^ 0.7)%, where x is the highest amount of Flesh Workshops you built in this Reincarnation.

** Eternal Servitude**

**Requirement**: Undead Union

**Cost**: 100 Qivg (1e80) Emerald Coins

**Effect**: Increase the production of Unique buildings based on time spent in this game.

**Formula**: (x ^ 0.7)%, where x is time spent this game.

** Zombie Apocalypse**

**Requirement**: Undead Union

**Cost**: 100 Tg (1e95) Emerald Coins

**Effect**: Gain assistants additively based on the total amount of time spent offline in this Reincarnation.

**Formula**: +(21 * x ^ 0.7), where x is offline time in this Reincarnation.

** Advanced Undead Heritage**

**Requirements**: Undead Master trophy and 6 hours activity time (This Game) of Night Time.

**Cost**: 1 Sp (1e24) Undead Coins

**Effect**: Assistants count more based on your offline bonus.

**Formula**: (0.025 * ln(1 + x) ^ 2)%, where x is offline bonus multiplier.

**Note**: When using their lineage, Advanced Heritage powers are multiplied by the level of the lineage.

**Formula**: *(1 + 0.3 * level)

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