Field-glass
Field-glass
Doubles exploration efficiency.
Research Time: 30 days
Cost: 50,000
Convertion
Convertion
+ Peasants after conquest.
Research Time: 50 days
Cost: 300,000
Transport
Transport
Reduces attack time to 18 days.
Research Time: 60 days
Cost: 500,000
Leadership
Leadership
Boosts Base Army Strength growth.
Research Time: 40 days
Cost: 400,000
Law System
Improved Law System
Reduces crime growth & cap to 25%.
Research Time: 70 days
Cost: 500,000
Tactical Knowledge
Tactical Knowledge
Greatly improves combat chances.
Research Time: 100 days
Cost: 2,500,000
Habitation
Habitation
+115 peasants per house.
Research Time: 40 days
Cost: 200,000
Commerce
Commerce
Increases gold production.
Research Time: 60 days
Cost: 300,000
Animal Training
Animal Training
+20% animal weapon output.
Research Time: 15 days
Cost: 100,000
Smith I
Blacksmithing I
+20% weapons.
15 days, 100k
Smith II
Blacksmithing II
+20% weapons.
15 days, 100k
Smith III
Blacksmithing III
+20% weapons.
15 days, 100k
Smith IV
Blacksmithing IV
+20% weapons.
15 days, 100k
Smith V
Blacksmithing V
+20% weapons.
15 days, 100k
Carpentry
Carpentry
+50% build speed.
60 days, 400k
Barrack
Barrack
+65 guards/house.
50 days, 300k
Training
Training Techniques
+25% unit speed.
100 days, 1,000k
Fortification
Fortification
-5% attacker at castles.
125 days, 400k
Irrigation
Irrigation
+15 food/farm.
150 days, 50k
Machinery
Machinery
Mines optimal workers to 85.
175 days, 200k
Wood Recycling
Wood Recycling
+1.5 wood/mill.
240 days, 300k
Spells I
New Spells I
Unlocks new spells.
50 days, 150k
Spells II
New Spells II
Unlocks new spells.
70 days, 300k
Spells III
New Spells III
Unlocks new spells.
90 days, 600k
Spells IV
New Spells IV
Unlocks new spells.
110 days, 900k
Insight
Insight
Faster wizard rest rate.
150 days, 100k
Magical Instr.
Magical Instruments
+Spell success.
100 days, 2,000k
True Silver
True Silver
+Shield resistance.
100 days, 500k
Magic Field
Magic Field
Unlocks kingdom spells.
100 days, 500k
Explosive Powder
Explosive Powder
+Catapult radius.
100 days, 500k
Clerical Magic
Clerical Magic
+Heal in combat.
100 days, 500k
Cloaking
Cloaking
+15% stealth.
100 days, 500k