A state researches one of these at a time in its Colloquium. Each finished tier applies to every house in the state.
| Project | Effect | Books for tiers 1, 2, 3 | Who can research it |
|---|---|---|---|
| Amber Lore More amber from your state's share, and generals cost less of it. | +10% your state's output of its realm's material per tier (material_output)-10% material spent on generals per tier ( general_cost) | 100,000, 300,000, 900,000 | States in a realm making Amber |
| Apothecary More sulfur from your state's share, and medics save more troops. | +10% your state's output of its realm's material per tier (material_output)+10% troops your medics save per tier ( rescue) | 100,000, 300,000, 900,000 | States in a realm making Sulfur |
| Archives More books from learning by doing and from lost texts. | +15% books from learning by doing and lost texts per tier (practice_books) | 100,000, 300,000, 900,000 | Every state |
| Forestry More pine from your state's share, and refining makes more. | +10% your state's output of its realm's material per tier (material_output)+10% what refining makes per tier ( refine_yield) | 100,000, 300,000, 900,000 | States in a realm making Pine |
| Heraldry Your state's deeds are sung: more renown. | +10% renown earned per tier (renown_gain) | 100,000, 300,000, 900,000 | Every state |
| Mining Knowledge More bauxite from your state's share, and upgrades need less of it. | +10% your state's output of its realm's material per tier (material_output)-10% material spent on unit upgrades per tier ( upgrade_cost) | 100,000, 300,000, 900,000 | States in a realm making Bauxite |
| Printing More paper from your state's share, and each paper adds more books. | +10% your state's output of its realm's material per tier (material_output)+20% books each paper adds per tier ( paper_books) | 100,000, 300,000, 900,000 | States in a realm making Paper |
| Quarrying More limestone from your state's share, and buildings need less of it. | +10% your state's output of its realm's material per tier (material_output)-10% materials spent on construction per tier ( building_materials) | 100,000, 300,000, 900,000 | States in a realm making Limestone |
| Statesmanship Your state's generals lead better: their traits are stronger, and the last tier adds a trait slot. | +15% strength of your generals' traits per tier (general_effect)+1 general trait slot at tier 3 | 100,000, 300,000, 900,000 | Every state |
Generated from the game's rule files: Age 3, ruleset 26d8be6b2df908a1. Edit the game's rules, then run tools/sync.py.