Library

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For the Age of Empires tech tree, see here.
4847aeadfbb916eb0ed48cc67e42eac4.png

As in Rise of Nations, the Library is the nucleus of your scientific research (or what passes for it) in Warbirth.

There are five paths of research in the Civic Centre: Science Science, Commerce Commerce, Administration Civic.jpg, and Military Militiae.jpg, as well as three trunk technologies. Each one of them is a prerequisite for further research, which in turn might contribute towards bettering your units and even the stylistic appearance of your faction's buildings!

Note that the Library's appearance and nomenclature can change depending on the submods. While Age of Chariots and Rise of the Ancients use a Library, Age of Empires relegates its functions to the Civic Centre.

Ages Age.png[edit | edit source]

"[T]hey pass away in the rustling blast, and other leaves lift their green heads on high." —James Scott MacPhearson, Ossian

Ages allow your faction to grow and mature as a civilisation, and are required to access Reforms and Research which enhance your faction vis-à-vis others. Each age is costlier and harder to research than the next, but great are the rewards should you chooise to pursue them.


RESEARCH LEVEL NAME GRANTS ACCESS TO COST


(0)
Trunk lvl0.png

Copper
Age

(Not available. Only for Rise of Ancients. Only Hovels are available at this age.)

None—
basic level

1
Trunk lvl1.png

Bronze
Age

"And thy heaven that is over thy head shall be brass." —Deuteronomy (28:32)

  • Basic tech level
  • Axe infantry can be researched.
  • Note that the Arabs can recruit camels off the bat, giving them somewhat of an advantage.

Resource cost:

  • 300Krateia.png
  • 500Food.jpg

2
Trunk lvl2.png

Heroic Age

"Who is most glorious of the heroes, who is most eminent among men?"Epic of Gilgamesh

  • Prereq: Up to 10 non-Trunk technologies
  • Low-level technologies and units, including roundships and elite axe and spear infantry, as well as heavy chariots.
  • Horse skirmishers appear.

Resource cost:

  • 600Krateia.png
  • 500Food.jpg

3
Trunk lvl3.png

Axial
Age

"A deep breath bringing the most lucid consciousness."

—Karl Jaspers, German theologian
  • Prereq:
    • Heroic Age AND
    • Up to 20 non-Trunk technologies
  • Advanced tech level and units, full roster reached.

Resource cost:

  • 1,300Krateia.png,
  • 900Food.jpg

Scientific research Science[edit | edit source]

If you search for the laws of harmony, you will find knowledge. —Egyptian saying

Science research increases line of sight for many of your units (including buildings), makes new Resource technologies available so you can increase gather rate, permits construction of new types of buildings, and decreases the cost of all other technology research incrementally.

RESEARCH LEVEL NAME GRANTS ACCESS TO COST UNLOCKS

1
Written Word

Written
Word

"All that I have written seems like straw."

— Thomas Aquinas, Christian theologian and mystic, to Reginald of Piperno
  • Transport of land units by sea
  • Research cost cheaper and research speed improved by 10%
  • Increased LOS

Resource cost:

  • 120Timber.jpg
  • 50Wealth.jpg

2
Loremastery

Loremastery

All words hold a seed of truth, from their very syllables all the way to the mood of the speaker.

  • Research cost cheaper and research speed improved by 10%
  • Increased LOS

3
Cosmology

Cosmology

"Let us meditate on the effulgent glory of the radiant Sun."

Gayatri Mantra
  • Research cost cheaper and research speed improved by 10%
  • Foundry.jpg

4
Numeracy

Numeracy

Not everything that counts can be counted.

  • Research cost cheaper and research speed improved by 10%
  • Increased LOS.
  • Metal Alloys Metallurgy

5
Formal Education

Formal
Education

He who goes unpunished never learns. —Greek proverb

  • Research cost cheaper and research speed improved by 10%
  • Increased LOS

Pedagogics with Heroic Age

6
Deductive Reasoning

Deductive
Reasoning

"I think; therefore, I am." —Rene Descartes

7
Logic

Logic

Reason has an innate beauty of its own.

  • Foundry
  • Low-level crops and lumber upgrades in Granary and Lumber Mill.
  • Research cost cheaper and research speed improved by 10%
  • Increased LOS
  • 1,500Krateia.png
  • 1,500Wealth.jpg

Commerce research Commerce[edit | edit source]

...where the houses overflow with the greatest troves of treasure... —The Iliad

Commerce research will cost you Timber and Knowledge at the Library. When you complete Commerce research, your [1]goes up for all Resources you gather: Food, Timber, Metal, and Wealth. You can gather more of them only up to the Commerce Cap; surpass the cap and any excess is simply lost to you.

In addition, Commerce is required in order to open up access to Mercenaries. While there are several exceptions, Mercenaries unlock at Lvls 1,3 and 5.

RESEARCH LEVEL NAME GRANTS ACCESS TO COST UNLOCKS

1
Exploration

Exploration

To know one's world is to know one's true self.

  • 60Timber
  • 60Food
  • Market.png
  • Dock

2
Commodity Money

Commodity Money

"If more of us valued food and cheer and song above hoarded gold, it would be a merrier world."

—John Ronald Reuel Tolkien, The Hobbit
  • Carpentry Woodworking

3
Records and Tallies

Records and Tallies

Bean counting is especially valuable in a world of feast and famine.

  • Trade with allies and peaceful factions
  • Increased Caravan limit Caravan limit
  • Increased commerce Cap Commerce Cap for all resources
Tithes Taxation

4
Warehousing

Warehousing

Who possesses much silver may be happy; who possesses much barley may be glad; but he who has nothing at all may sleep. —Sumerian saying

5
Land Development

Land
Development

You should not make a well in your field: people will cause damage on it for you. You should not place your house next to a public square: there is always a crowd there.Instructions of Shuruppak

  • Large City
  • Mine.jpg

6
Contractual Relations

Contractual Relations

Guard your promises well, lest you be compelled to break them later.

Writs and Decrees Taxation

7
Entrepot Trade

Entrepot Trade

"He shall be for an haven of ships; and his border shall be unto Sidon." —Genesis (49:13)

  • 1,800Krateia.png
  • 1,200t

Administration research Administration[edit | edit source]

To bring about the rule of righteousness in the land, so that the strong should not harm the weak.
—Hammurabi's Code; Prologue

Administration research allows you to build one new city with each completed round, and increases your national borders. If your borders abut other nations' borders, then you'll gain strength in the pushing match. As long as you don't touch other factions' territories yet, the diameter of area covered by your borders centred around your Cities simply expands with each level attained. Administration research is also required to gain access to a variety of military units as well.

In addition, unlike the vanilla game or previous mods, Agronomics Agronomics research in Warbirth relies heavily on Administration, not Science.

RESEARCH LEVEL NAME GRANTS ACCESS TO COST UNLOCKS

1
Tradition and Ritual

Tradition and Ritual

Beauty is all in the eye of the beholder.

  • Low-level religious and taxation research at Temple.
  • Increased City Limit city limit.
  • Increased borders
120Food.jpg
  • Senate.jpg
  • Mysticism Religion

2
Caste System

Caste
System

"The existence of this world is effected by the observance of the rules respecting the four classes of men and their four stages of life"

— Vatsayana, Kama-Sutra (Cap II)
  • Low-level attrition research at Tower.
  • Increased City Limit city limit.
  • Increased borders
160Food.jpg
  • Tithes Taxation
  • National Cult Religion

3
Alienable Rights

Alienable
Rights

He who exercises his own right injures no one.

  • 160Krateia.png
  • 160Food.jpg

4
Codified Law

Codified
Law

The more laws and restrictions there are, the poorer people become. —Taoist saying

  • Medium-level attrition research at Tower.
  • Increased City Limit city limit.
  • Increased borders
  • 300Krateia.png
  • 300Food.jpg

5
Nationhood

Nationhood

"United we stand; divided we fall." —Aesop

  • High-level taxation research at Temple
  • High-level atrition research at Tower
  • Increased City Limit city limit.
  • Increased borders.
  • Prerequisite for Large City.
  • 500Krateia.png
  • 500Food.jpg
  • Large City
  • Theocracy Religion
  • Writs and Decrees Taxation

6
Ambassadors

Ambassadors

A mask he still could wear so that if he wished he might deceive the eyes of Men, seeming to them wise and fair. —John Ronald Reuel Tolkien, The Silmarillion

  • Research cost cheaper and research speed improved by 10%
  • Increased LOS.
  • Medium-level religious research at Temple.
  • Increased City Limit city limit.
  • Increased borders
  • 1,000Krateia.png
  • 800Food.jpg

7
Expansionism

Colonial System

"The sun shall shine on no land that is not our own."

—Herodotus, classical Greek author, The Persian Wars
  • High-level religious research at Temple
  • Increased City Limit city limit.
  • Increased borders.
  • 1,500Krateia.png
  • 1,500Food.jpg

Military research[edit | edit source]

"Thou leadest as a warrior king thine army's wings what time thou comest in the van of these swift streams."
Rig-Veda (m. 10, hymn LXXV)

Completing Military research increases your population cap and also allows you to start upgrading your units at your military structures. Additionally, the cost of units and unit upgrades is lowered with each successive level researched.

RESEARCH LEVEL NAME GRANTS ACCESS TO COST UNLOCKS

1
Drill

Drill

"The mark of their arm is in a thousand battles."

—James Scott MacPhearson, Ossian
  • Increased Population.jpg Population Cap
  • -5% production cost for units of previous ages per level ahead
  • -10% upgrade cost for units of previous ages per level ahead
120Food.jpg

2
Rank and File

Rank and
File

"Range the men by tribes, by clans, Agamemnon, that clan may bear aid to clan and tribe to tribe."

—The Iliad (Cap II)
  • Increased Population.jpg Population Cap
  • -5% production cost for units of previous ages per level ahead
  • -10% upgrade cost for units of previous ages per level ahead
  • 100Food.jpg
  • 100Metal.png
  • Barracks
  • Corral

3
Military Tradition

Military
Tradition

The good man wins a victory and then stops.

—Taoist saying
  • Unlocks upgrades for all cavalry.
  • Increased Population.jpg Population Cap
  • -5% production cost for units of previous ages per level ahead
  • -10% upgrade cost for units of previous ages per level ahead
  • 200Metal.png
  • 160Krateia.png
4
Soldiery
Soldiery

Train soldiers for a thousand days to use them for a day.

— Chinese saying
  • Increased Population.jpg Population Cap
  • -5% production cost for units of previous ages per level ahead
  • -10% upgrade cost for units of previous ages per level ahead
  • 360Krateia.png
  • 250Metal.png
  • 57 seconds (850t)
  • Crennelation Fortification
  • Assédio.png

5
Hierarchy and Command

Hierarchy
and
Command

Be one in self-harmony, in Yoga, and arise, great warrior, arise.

Bhagavad-Gita (Cap 4, v XLII)
  • Increased Population.jpg Population Cap
  • -5% production cost for units of previous ages per level ahead
  • -10% upgrade cost for units of previous ages per level ahead
  • 650Krateia.png
  • 400Metal.png
  • 1 minute 40 seconds (1500t)

6
Hereditary Service

Hereditary
Service

"Kings will always use their kingly weapons. To use force is bred in them."

—Gandhi
  • Increased Population.jpg Population Cap
  • -5% production cost for units of previous ages per level ahead
  • -10% upgrade cost for units of previous ages per level ahead
  • 1,300Krateia.png
  • 500Metal.png
  • 5 minutes (2,875t)

7
The Art of War

The Art
of War

[War] is a subject of inquiry which on no account can be neglected.

—Sun Zi, Chinese military strategist
  • Increased Population.jpg Population Cap
  • -5% production cost for units of previous ages per level ahead
  • -10% upgrade cost for units of previous ages per level ahead
  • 1,800Krateia.png
  • 1,200Metal.png
  • 3 minutes (4,550t)

While Warbirth continues to showcase population caps in multiples of 50 (as opposed to 25 in vanilla Rise of Nations), Warbirthslows down your ability to research higher level Military research owing to its nature as a Bronze Age mod.

After level 3, :

  • Level 4: x 2 length.
  • Level 5: x 3 length
  • Level 6: x 5 length
  • Level 7: x 7 length

Notes[edit | edit source]

Most likely it will be a senate-sized building. All buildings for this one are ready.