Each science nears a limit and never reaches it: half of it at 350,000 books, then ever more slowly. Books are spent in their own category. See Science for how books are earned.
Economy
| Science | Effect |
|---|---|
| Alchemy More income. | Gold earned from peasants each tick (income): nears +30%; +10.7% at 100,000 books, +15.0% at 350,000, +20.8% at 2,000,000 |
| Artisan Cheaper, faster construction. | Gold cost of construction (construction_cost): nears -30%; -10.7% at 100,000 books, -15.0% at 350,000, -20.8% at 2,000,000Time to build ( construction_time): nears -30%; -10.7% at 100,000 books, -15.0% at 350,000, -20.8% at 2,000,000 |
| Housing Land holds more people. | How many people the land can hold (population): nears +20%; +7.1% at 100,000 books, +10.0% at 350,000, +13.9% at 2,000,000 |
| Production More food and aether. | Food grown on land each tick (food_production): nears +50%; +17.8% at 100,000 books, +25.0% at 350,000, +34.7% at 2,000,000Aether gathered each tick ( aether_production): nears +50%; +17.8% at 100,000 books, +25.0% at 350,000, +34.7% at 2,000,000 |
| Tools Higher building efficiency. | Building efficiency (can pass 100%) (building_efficiency): nears +25%; +8.9% at 100,000 books, +12.5% at 350,000, +17.4% at 2,000,000 |
Military
| Science | Effect |
|---|---|
| Resilience Fewer troops die in battle. | Troops killed in battle (casualties): nears -35%; -12.5% at 100,000 books, -17.5% at 350,000, -24.3% at 2,000,000 |
| Siege More land from successful attacks. | Land taken on a successful attack (land_gain): nears +20%; +7.1% at 100,000 books, +10.0% at 350,000, +13.9% at 2,000,000 |
| Strategy Stronger defense. | Defense of troops at home (defense): nears +20%; +7.1% at 100,000 books, +10.0% at 350,000, +13.9% at 2,000,000 |
| Tactics Stronger offense. | Offense of troops sent on attacks (offense): nears +20%; +7.1% at 100,000 books, +10.0% at 350,000, +13.9% at 2,000,000 |
| Valor Faster training. | Time to train troops, medics and upgrades (training_time): nears -40%; -14.3% at 100,000 books, -20.0% at 350,000, -27.8% at 2,000,000 |
Arcane
| Science | Effect |
|---|---|
| Channeling Your adepts count for more in every rite's roll, cast or resisted. | Your adepts' strength in a rite's roll, cast or resisted (adept_strength): nears +50%; +17.8% at 100,000 books, +25.0% at 350,000, +34.7% at 2,000,000 |
| Crime Your spies are stronger. | Strength of your thieves when spying (thief_strength): nears +40%; +14.3% at 100,000 books, +20.0% at 350,000, +27.8% at 2,000,000 |
| Finesse Fewer thieves lost when caught. | Thieves lost when caught spying (thief_losses): nears -50%; -17.8% at 100,000 books, -25.0% at 350,000, -34.7% at 2,000,000 |
| Shielding Enemy spies are weaker against you, and hexes take and wreck less. | Strength of your thieves against enemy spies (thief_defense): nears +25%; +8.9% at 100,000 books, +12.5% at 350,000, +17.4% at 2,000,000What hexes take or wreck of yours ( hex_damage_taken): nears -25%; -8.9% at 100,000 books, -12.5% at 350,000, -17.4% at 2,000,000 |
| Sorcery Your hexes take and wreck more. | What your hexes take or wreck (hex_damage): nears +30%; +10.7% at 100,000 books, +15.0% at 350,000, +20.8% at 2,000,000 |
Generated from the game's rule files: Age 3, ruleset 26d8be6b2df908a1. Edit the game's rules, then run tools/sync.py.