Research tree
Complete overview of the technologies in the Research Tower. Each row is one technology with all its levels combined, cost and research time are the sum of all levels and “Max. effect” is the total bonus after the last level. The “Tower” column is the minimum Research Tower level and “Requires” the technology you have to research first.
AllBasicMilitaryEconomicSpecial
| Technology | Effect | Category | Levels | Max. effect | Total cost | Total time (h:mm) | Tower | Requires |
|---|---|---|---|---|---|---|---|---|
| Appraiser | Increases the chance of finding better equipment items. | Basic | 5 | +10 | 2 100 wood + 3 150 stone | 390:00 | 1 | Shield bearers |
| Bunk beds | Increases the population in your main castle. | Basic | 3 | +15 | 240 wood + 360 stone | 114:00 | 1 | Craftsmanship |
| Craftsmanship | Decreases the time needed to produce tools in your main castle. | Basic | 3 | -15 | 240 wood + 360 stone | 117:40 | 1 | — |
| Furnace | Reduces the costs when forging equipment items. | Basic | 3 | -3 | 360 wood + 540 stone | 120:00 | 1 | Bunk beds (lvl. 3) |
| Heavy duty pack | Increases the looting capacity of all your units. | Basic | 5 | +15 | 1 200 wood + 1 800 stone | 330:00 | 1 | Strength training (lvl. 3) |
| Interest rates | Increases your tax revenue. | Basic | 3 | +3 | 5 790 rubies | 142:50 | 1 | Shield bearers |
| Pamphlets | Increases the glory points received in battle. | Basic | 5 | +5 | 1 800 wood + 2 700 stone | 369:00 | 1 | Power food (lvl. 3) |
| Pickaxe | Increases amount of stone produced per hour in your main castle. | Basic | 3 | +30 | 360 wood + 540 stone | 126:00 | 1 | Craftsmanship (lvl. 3) |
| Plow | Increases amount of food produced per hour in your main castle. | Basic | 3 | +96 | 480 wood + 720 stone | 129:40 | 1 | Craftsmanship (lvl. 3) |
| Power food | Increases the travel speed of your market barrows on their way to your castles. | Basic | 5 | +10 | 600 wood + 900 stone + 1 880 rubies | 348:00 | 1 | Thirst for knowledge (lvl. 3) |
| Shield bearers | Increases the experience points received in battles. | Basic | 2 | +2 | 300 wood + 450 stone | 67:50 | 1 | Tree nursery (lvl. 2), Pickaxe (lvl. 2), Plow (lvl. 2) |
| Strength training | Decreases the time needed to recruit units in your main castle. | Basic | 3 | -15 | 240 wood + 360 stone | 110:20 | 1 | Craftsmanship |
| Thirst for knowledge | Decreases the time needed for research projects. | Basic | 3 | -900 | 480 wood + 720 stone | 134:20 | 1 | Heavy duty pack (lvl. 5) |
| Tree nursery | Increases amount of wood produced per hour in your main castle. | Basic | 3 | +48 | 360 wood + 540 stone | 122:20 | 1 | Craftsmanship (lvl. 3) |
| Chivalry | Increases the experience points received in battles. | Military | 5 | +10 | 158 175 wood + 174 825 stone | 199:10 | 2 | Workbench (lvl. 3) |
| Forced march | Increases the travel speed of units that you station in other castles. | Military | 10 | +125 | 120 000 wood + 455 370 stone + 47 170 charcoal | 681:10 | 2 | Maneuver |
| Loot log | Increases the amount of resources you can loot during attacks. | Military | 5 | +80 | 159 600 wood + 176 400 stone | 311:20 | 2 | Workbench (lvl. 3) |
| Maneuver | Increases the recruitment speed in all your castles. | Military | 7 | +63 | 280 000 wood + 308 000 stone | 598:00 | 2 | — |
| Shady business | Increases the travel speed of your agents. | Military | 10 | +120 | 508 920 wood + 301 840 stone + 46 840 olive oil | 1194:10 | 2 | Forced march (lvl. 3) |
| Veteran bowman | Replaces the bowman with a much more powerful version. However, the veteran also costs more coins and consumes more food. | Military | 1 | — | 55 000 wood + 50 000 stone | 96:00 | 2 | Veteran spearman |
| Veteran crossbowman | Replaces the crossbowman with a much more powerful version. However, the veteran also costs more coins and consumes more food. | Military | 1 | — | 55 000 wood + 60 000 stone | 156:00 | 2 | Veteran maceman |
| Veteran maceman | Replaces the maceman with a much more powerful version. However, the veteran also costs more coins and consumes more food. | Military | 1 | — | 55 000 wood + 60 000 stone | 156:00 | 2 | Loot log (lvl. 2) |
| Veteran spearman | Replaces the spearman with a much more powerful version. However, the veteran also costs more coins and consumes more food. | Military | 1 | — | 55 000 wood + 50 000 stone | 96:00 | 2 | Loot log (lvl. 2) |
| Workbench | Increases the production speed of tools in all of your castles. | Military | 15 | +135 | 864 685 wood + 388 800 stone + 78 120 glass | 2048:15 | 2 | Maneuver (lvl. 2) |
| Ambulance coach | Increases the number of units that can be treated per slot. | Military | 5 | +5 | 360 780 wood + 375 650 stone | 543:45 | 3 | Militia |
| Biographer | Increases the honor gained. | Military | 10 | +35 | 638 280 wood + 242 240 stone + 47 300 charcoal | 1557:37 | 3 | Minstrel (lvl. 3) |
| Conscription | Increases the number of militia in the castle. | Military | 5 | +10 | 288 170 wood + 299 080 stone | 551:54 | 3 | Militia |
| Elite training | Increases the travel speed of veteran spearmen, macemen, bowmen, and crossbowmen. | Military | 1 | — | 76 000 wood + 80 000 stone | 192:00 | 3 | Veteran bowman, Veteran crossbowman |
| Gutter runners | Increases the number of your agents. | Military | 7 | +7 | 230 850 wood + 239 400 stone + 79 700 olive oil + 74 350 iron ore | 984:25 | 3 | Shady business (lvl. 3) |
| Marching formation | Reduces the time it takes your units to travel to other kingdoms. | Military | 5 | -50 | 111 300 wood + 120 960 stone + 10 900 rubies | 528:10 | 3 | Forced march (lvl. 4) |
| Militia | Replaces the armed citizen with a much more powerful version. | Military | 1 | — | 80 100 wood + 81 000 stone | 192:00 | 3 | Veteran swordsman |
| Minstrel | Increases the glory points received in battle. | Military | 10 | +15 | 283 520 wood + 746 255 stone + 73 400 iron ore | 1838:25 | 3 | Elite training |
| Ranger | The enemy will discover your attacking armies later and with less accuracy. | Military | 3 | +30 | 137 610 wood + 148 420 stone | 281:11 | 3 | Scout |
| Scout | Attacking armies are detected sooner and more accurately. | Military | 3 | +30 | 131 940 wood + 142 570 stone | 270:00 | 3 | Elite training |
| Treasure seeker | Increases the chance of finding better equipment items. | Military | 5 | +25 | 271 030 wood + 300 170 stone | 526:06 | 3 | Ranger |
| Veteran halberdier | Replaces the halberdier with a stronger veteran unit. Further research levels increase the unit's level. | Military | 10 | — | 70 000 charcoal + 295 000 olive oil + 715 000 glass + 385 000 iron ore | 576:00 | 3 | Elite training |
| Veteran heavy crossbowman | Replaces the heavy crossbowman with a stronger veteran unit. Further research levels increase the unit's level. | Military | 10 | — | 70 000 charcoal + 295 000 olive oil + 715 000 glass + 385 000 iron ore | 576:00 | 3 | Veteran longbowman |
| Veteran longbowman | Replaces the longbowman with a stronger veteran unit. Further research levels increase the unit's level. | Military | 10 | — | 70 000 charcoal + 295 000 olive oil + 715 000 glass + 385 000 iron ore | 576:00 | 3 | Elite training |
| Veteran swordsman | Replaces the swordsman with a much more powerful version. However, the veteran also costs more coins and consumes more food. | Military | 1 | — | 80 100 wood + 81 000 stone | 192:00 | 3 | Elite training |
| Veteran two-handed swordsman | Replaces the two-handed swordsman with a stronger veteran unit. Further research levels increase the unit's level. | Military | 10 | — | 70 000 charcoal + 295 000 olive oil + 715 000 glass + 385 000 iron ore | 576:00 | 3 | Veteran halberdier |
| Working shifts | Increases the number of your city guards. | Military | 5 | +30 | 236 250 wood + 241 800 stone | 510:00 | 3 | Shady business (lvl. 3) |
| Relic axeman upgrade | Increases the unit attributes of the relic axeman. | Military | 10 | — | 535 construction tokens + 465 upgrade tokens | 1272:00 | 4 | Veteran two-handed swordsman |
| Relic hammerman upgrade | Increases the unit attributes of the relic hammerman. | Military | 10 | — | 395 construction tokens + 605 upgrade tokens | 1272:00 | 4 | Veteran halberdier |
| Relic longbowman upgrade | Increases the unit attributes of the relic longbowman. | Military | 10 | — | 395 construction tokens + 605 upgrade tokens | 1272:00 | 4 | Veteran longbowman |
| Relic shortbowman upgrade | Increases the unit attributes of the relic shortbowman. | Military | 10 | — | 535 construction tokens + 465 upgrade tokens | 1272:00 | 4 | Veteran heavy crossbowman |
| Caravan | Reduces the time it takes your resource transports to travel to other kingdoms. | Economic | 5 | -50 | 93 330 wood + 100 170 stone + 10 900 rubies | 407:50 | 2 | Three-field crop rotation (lvl. 5) |
| Cash transport | 12 hours of tax collecting only costs coins. | Economic | 1 | — | 14 000 rubies | 170:28 | 2 | Wheelbarrow (lvl. 3) |
| Honey pots | Increases the productivity of all apiaries in all your castles. | Economic | 5 | +20 | 180 000 000 coins + 63 000 honey | 1200:00 | 2 | Three-field crop rotation (lvl. 5) |
| Levies | Increases your tax revenue. | Economic | 5 | +20 | 174 900 wood + 174 900 stone | 384:20 | 2 | Steel tires |
| Northman tankards | Increases the productivity of all breweries in all your castles. | Economic | 5 | +20 | 180 000 000 coins + 63 000 mead | 1200:00 | 2 | Honey pots (lvl. 3) |
| Pitsaw | Increases the productivity of the woodcutters, forest lodges and relic woodcutters in all your castles. | Economic | 5 | +20 | 178 200 wood + 178 200 stone | 550:20 | 2 | Steel tires (lvl. 3) |
| Reinforced axle | Increases the transport capacity of your market barrows. | Economic | 10 | +50 | 93 810 wood + 102 300 stone + 82 800 rubies | 1591:50 | 2 | Three-field crop rotation (lvl. 5) |
| Steel tires | Increases the travel speed of your market barrows on their way to your castles. | Economic | 15 | +200 | 274 400 wood + 301 840 stone + 71 200 rubies | 2569:30 | 2 | — |
| Three-field crop rotation | Increases the productivity of the farmhouses, granaries and relic greenhouses in all your castles. | Economic | 5 | +20 | 179 850 wood + 179 850 stone | 609:00 | 2 | Pitsaw (lvl. 3), Wedging (lvl. 3) |
| Wedging | Increases the productivity of the stone quarries, stone works and relic quarries in all your castles. | Economic | 5 | +20 | 178 200 wood + 178 200 stone | 550:20 | 2 | Steel tires (lvl. 3) |
| Wheelbarrow | Increases the experience points received when constructing and upgrading buildings. | Economic | 10 | +20 | 457 720 wood + 463 275 stone | 833:39 | 2 | Levies (lvl. 3) |
| Artisan blacksmith | Reduces costs when forging equipment items. | Economic | 5 | -15 | 236 320 wood + 245 650 stone | 522:43 | 3 | Genius (lvl. 3) |
| Fire pump | Reduces fire damage in the main castle. | Economic | 3 | +15 | 239 950 wood + 241 610 stone | 436:38 | 3 | Artisan blacksmith (lvl. 3), Medicine (lvl. 3) |
| Genius | Increases the speed of research. | Economic | 10 | +75 | 442 960 wood + 455 960 stone + 67 651 charcoal + 47 669 olive oil + 36 122 glass + 20 103 iron ore | 1817:41 | 3 | Reinforced axle (lvl. 2), Caravan (lvl. 2) |
| Medicine | Increases the population in your main castle. | Economic | 5 | +10 | 285 050 wood + 297 560 stone | 542:13 | 3 | Genius (lvl. 3) |
| Genius II | Increases the speed of research. | Special | 3 | — | 155 170 wood + 169 090 stone | 494:20 | 3 | — |
| Judiciary: Burning Sands | Increases public order in the Burning Sands. | Special | 3 | — | 155 170 wood + 169 090 stone | 494:20 | 3 | — |
| Judiciary: Everwinter Glacier | Increases public order in the Everwinter Glacier. | Special | 3 | — | 155 170 wood + 169 090 stone | 494:20 | 3 | — |
| Scout | Attacking armies are detected sooner and more accurately. | Special | 3 | — | 113 286 666 coins | 336:30 | 6 | — |
| Veteran crossbowman | Replaces the crossbowman with a much more powerful version. However, the veteran also costs more coins and consumes more food. | Special | 3 | — | 113 286 666 coins | 336:30 | 6 | — |
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