The research tower is unlocked at level 6. It gives the player access to research things by paying Resources, which provides a wide range of benefits.
Level 1: Unlocked at level 6. Costs ?? stone and ?? wood.
Level 2: Unlocked at level 39. Costs 49,736 Stone and 37,584 Wood without a Master builder. This unlocks access to further research and increases the speed of research.
Level 3: Unlocked at level 47.Costs 80,534 stone and 74,280 wood (without a Master builder).
Level 4: Unlocked at level ??. Costs ?? stone and ?? wood (without a Master builder).
Here are some of the screenshots and features of the Research Tower.
This is the approximate cost of researches.
Strength Training
Decreases the time needed to recruit units in your main castle
Prerequisites: none
Strength Training level 1 --- 40 wood and 60 stone require research time 18:20:00 decreases recruitment time -5 sec (Tower lv 1)
Strength Training level 2 --- ?? wood and ?? stone require research time ??:??:?? decreases recruitment time by -10 sec (Tower lv 1)
Strength Training level 3 --- 120 wood and 180 stone require research time 55:10:00 decreases recruitment time by -15 sec (Tower lv 1)
Heavy duty pack
Increases looting capacity of all your units
Prerequisites: Strength Training level 3
Heavy duty pack level 1 --- ?? wood and ?? stone require research time ??:??:?? increases looting capacity by +1% (Tower lv 1)
Heavy duty pack level 2 --- ?? wood and ?? stone require research time ??:??:?? increases looting capacity by +2% (Tower lv 1)
Heavy duty pack level 3 --- ?? wood and ?? stone require research time ??:??:?? increases looting capacity by +3% (Tower lv 1)
Heavy duty pack level 4 --- ?? wood and ?? stone require research time ??:??:?? increases looting capacity by +4% (Tower lv 1)
Heavy duty pack level 5 --- ?? wood and ?? stone require research time ??:??:?? increases looting capacity by +5% (Tower lv 1)
Thirst for knowledge
Decreases time need for research project
Prerequisites: Heavy duty pack level 5
Thirst for knowledge level 1 --- ?? wood and ?? stone require research time ??:??:?? decreases time need by -300 sec (Tower lv 1)
Thirst for knowledge level 2 --- 160 wood and 240 stone require research time 44:45:00 decreases time need by -600 sec (Tower lv 1)
Thirst for knowledge level 3 --- ?? wood and ?? stone require research time ??:??:?? decreases time need by -900 sec (Tower lv 1)
Power Food
Increases the travel speed of your market barrows on their way to your castles
Prerequisites: Thirst for knowledge level 3
Power Food level 1 --- 100 wood and 150 stone require research time 22:55:00 increases market barrows speed +??% (Tower lv 1)
Power Food level 2 --- ?? wood and ?? stone require research time ??:??:?? increases market barrows speed +??% (Tower lv 1)
Power Food level 3 --- ?? wood and ?? stone require research time ??:??:?? increases market barrows speed +6% (Tower lv 1)
Power Food level 4 --- 590 rubies requires research time 92:35:00 increases market barrows speed +8% (Tower lv 1)
Power Food level 5 --- ?? wood and ?? stone require research time ??:??:?? increases market barrows speed +??% (Tower lv 1)
Pamphlets
Increases glory points received in battle
Prerequististes: Power Food level 3
Pamphlets level 1 --- ?? wood and ?? stone require research time ??:??:?? glory points +1% (Tower lv 1)
Pamphlets level 2 --- ?? wood and ?? stone require research time ??:??:?? glory points +2% (Tower lv 1)
Pamphlets level 3 --- ?? wood and ?? stone require research time ??:??:?? glory points +3% (Tower lv 1)
Pamphlets level 4 --- ?? wood and ?? stone require research time ??:??:?? glory points +4% (Tower lv 1)
Pamphlets level 5 --- ?? wood and ?? stone require research time ??:??:?? glory points +5% (Tower lv 1)
Craftsmanship
Decreases the time needed to produce tools in your main castle
Prerequisites: none
Craftsmanship level 1 --- ?? wood and ?? stone require research time ??:??:?? speedup -5 sec (Tower lv 1)
Craftsmanship level 2 --- ?? wood and ?? stone require research time ??:??:?? speedup -10 sec (Tower lv 1)
Craftsmanship level 3 --- 120 wood and 180 stone require research time 58:50:00 speedup -15 sec (Tower lv 1)
Tree nursery
Increases the amount of wood produced per hour in your main castle.
Prerequisites: Craftsmanship level 3, tower level 1
Tree nursery level 1 --- ?? wood and ?? stone require research time ??:??:?? wood production increased by +16 units
Tree nursery level 2 --- 120 wood and 180 stone require research time 40:45:00 wood production increased by +32 units
Tree nursery level 3 --- 180 wood and 270 stone require research time 61:05:00 wood production increased by +48 units
Pickaxe
Increases the amount of stone produced per hour in your main castle.
Prerequisites: Craftsmanship level 3
Pickaxe level 1 --- ?? wood and ?? stone require research time ??:??:?? stone production increased by +10 units (Tower lv 1)
Pickaxe level 2 --- ?? wood and ?? stone require research time ??:??:?? stone production increased by +?? units (Tower lv 1)
Pickaxe level 3 --- ?? wood and ?? stone require research time ??:??:?? stone production increased by +48 units (Tower lv 1)
Plow
Increases the amount of food produced per hour in your main castle.
Prerequisites: Craftsmanship level 3
Plow level 1 --- ?? wood and ?? stone require research time ??:??:?? food production increased by +32 units (Tower lv 1)
Plow level 2 --- ?? wood and ?? stone require research time ??:??:?? food production increased by +64 units (Tower lv 1)
Plow level 3 --- ?? wood and ?? stone require research time ??:??:?? food production increased by +96 units (Tower lv 1)
Shield bearers
Increases the experience points received in battles
Prerequisites: Plow level 3, Pickaxe level 3, Tree nursery level 3
Shield bearers level 1 --- ?? wood and ?? stone require research time ??:??:?? exprience points incresed by +1 (Tower lv 1)
Shield bearers level 2 --- 200 wood and 300 stone require research time 45:05:00 exprience points incresed by +2 (Tower lv 1)
Interest Rates
Increases your tax revenue
Prerequisites: Shield bearers level 1
Interest Rates level 1 --- 990 rubies require research time 23:35:00 revenue increased by +1% (Tower lv 1)
Interest Rates level 2 --- ?? rubies require research time ??:??:?? revenue increased by +?% (Tower lv ?)
Interest Rates level 3 --- ?? rubies require research time ??:??:?? revenue increased by +?% (Tower lv ?)
Treasure Hunter
Increases the chance of finding better equipment items.
Prerequisites: Shield bearers level 1
Appraiser level 1 --- ?? wood and ?? stone require research time ??:??:?? chance increased by +2% (Tower lv 1)
Appraiser level 2 --- 280 wood and 420 stone require research time 51:55:00 chance increased by +4% (Tower lv 1)
Appraiser level 3 --- ?? wood and ?? stone require research time ??:??:?? chance increased by +6% (Tower lv 1)
Appraiser level 4 --- ?? wood and ?? stone require research time ??:??:?? chance increased by +8% (Tower lv 1)
Appraiser level 5 --- 700 wood and 1050 stone require research time 129:55:00 chance increased by +10% (Tower lv 1)
Medicine
Inreases the population in your main castle
Prerequisites: none, tower level 1
Bunk beds level 1 --- ?? wood and ?? stone require research time ??:??:?? population increased by +5
Bunk beds level 2 --- ?? wood and ?? stone require research time ??:??:?? population increased by +10
Bunk beds level 3 --- ?? wood and ?? stone require research time ??:??:?? population increased by +15
Artisan Blacksmith
Reduces the costs when forging equipment items
Prerequisites: Bunk beds level 3, tower level 1
Furnace level 1 --- ?? wood and ?? stone require research time ??:??:?? cost decreased by -1 %
Furnace level 2 --- 120 wood,and 180 stone require research time 39:55:00 cost decreased by -2 %
Furnace level 3 --- 180 wood and 270 stone require research time 59::55:00 cost decreased by -3 %
Field Maneuvers
Increases recruitment speed
Prerequisites: Tower level 2
Maneuver level 1 --- 10,000 wood and 11,000 stone require research time 21:50:00 speed of recruitment +9% (Tower level 2)
Maneuver research
Maneuver level 2 --- 20,000 wood and 22,000 stone require research time 40:00:00 speed of recruitment +18% (Tower level 2)
Maneuver level 3 --- 30,000 wood and 33,000 stone require research time 64:26:40 speed of recruitment +27% (Tower level 2)
Maneuver level 4 --- 40,000 wood and 44.000 stone require research time 89:43:20 (tower lvl 2) speed of recruitment +36% (Tower level 2)
Maneuver level 5 --- 50,000 wood and 55.000 stone require research time 115:58:20 (Tower level 2) speed of recruitment +45%
Force March
Increased speed when you move troops from castle to outpost, castle to resource village and vice versa
Prerequisites: Tower level 2
Forced March Research
Force March level 1 --- 8,000 wood and 8,800 stone, require research time 4:30:00 travel speed +20%
Force March level 2 --- 16,000 wood and 17,600 stone, require research time 14:30:00 travel speed +40%
Force March level 3 --- 24,000 wood and 26,400 stone, require research time 30:00:00 travel speed +60%
Forced march level 4 ---32.000 wood and 35.200 stone, require research time 41:56:40 travel speed +80%
Forced march level 5 ---40.000 wood and 44.000 stone, require research time 62:38:20 travel speed +100%
Marching Formation
Reduces travel time to other kingdoms
Marching Formation Research
Marching formation level 1 --- 37,100 wood and 40,320 stone require research time 24:01:40 reduce time to travel to other kingdoms 10%
Marching Formation level 2 ---74,200 wood & 80,640 stone, research time 53:53:20, reduces travelling time to other kingdoms 20%
Marching Formation level 3 ---
Marching Formation level 4 ---
Marching Formation level 5 ---
Wheel Tire
Increases transportation speed
Wheel Tire level 1 --- 9,800 wood and stone10,780 require research time 13:50:00 market barrow speed +15%
Wheeltire Research
Wheel Tire level 2 --- 19,600 wood and 21,580 stone require research time 26:23:20 (research tower level 2) market barrow speed +30%
Wheel Tire level 3 --- 29,400 wood and 32,340 stone require research time 42:55:00 (research tower level 2) market barrow speed +45%
Wheel Tire level 4 --- 39,200 wood and 43,120 stone require research time 60:41:40 (research tower level 2) market barrow speed +60%
Wheel Tire level 5 --- 49,000 wood and 53,900 stone require research time 79:18:20 (research tower level 2) market barrow speed +75%
Wheel Tire level 6 --- 68,600 wood and 75,460 stone require research time 118:45:00 (research tower level 2) market barrow speed +105%
Wheel Tire level 7 ---
Wheel Tire level 8 --- 3500 rubies
Wheel Tire level 9 ---
Wheel Tire level 10 ---
Levies research
Increase tax revenue
Levies research
Levies level 1 --- 11,660 wood and 11,660 stone require research time 18:50:00 increase tax revenue +4%
Levies level 2 --- 23,320 wood and 23,320 stone require research time 37:13:20 (Research Tower 2) increase tax revenue +8%
Levies level 3 --- 34,980 wood and 34,980 stone increase tax revenue +12%
Levies level 4 --- 46,640 wood and 46,640 stone require research time 88:28:20 (Research Tower 2) increase tax revenue +16%
Levies level 5 --- 58,300 wood and 58,300 stone requires research time 5 days 20 hours (Research Tower 1) increase tax revenue +20%
Loot log
Plundering log
Increases resources looted
Prerequisites: Workbench level 3
Loot log level 1 --- 10,640 wood and 11,760 stone require research time 15:16:40 (Research Tower 2) resource from Plundering + 8%
Loot log level 2 --- 21,280 wood and 23,520 stone require research time 32:46:40 (Research Tower 2) resource from Plundering + 16%
Loot log level 3 --- 31,920 wood and 35,.280 stone require research time 51:15:00 (research tower 2) resource from plundering +24%
Loot log level 4 --- 42,560 wood and 47,040 stone require research time 70:16:40 (research tower 2) resource from plundering +32%
Loot log level 5 --- 53,200 wood and 58,800 stone require research time 89:51:40 (research tower 2) resource from plundering +40%
Veteran research
Unlocks new veteran units
Veteran Spearman --- 55,000 wood and 50,000 stone require research time 96:00:00 Research Tower 2
Veteran Bowman ---- 55,000 wood and 50,000 stone require research time 80:00:00 Research Tower 2
Veteran Maceman --- 55,000 wood and 60,000 stone require research time 156:00:00 Research Tower 2
Veteran Crossbowman --- 55,000 wood and 60,000 stone require research time 130:00:00 Research Tower 2
Veteran Swordsman --- 80,150 wood and 81,000 stone require research time 160:00:00 Research Tower 3
Veteran halberdier --- 66,480 wood and 72,850 stone require time 102:38 (genie lvl5) Research Tower 4
Veteran Longbowman --- 66,480 wood and 72,850 stone require time 102:38 (genie lvl5) Research Tower 4
Veteran two-handed swordsman --- 66,480 Wood and 80,740 stone require time 128:17 (genie lvl5) Research Tower 4
Veteran Heavy Crossbowman --- 66,480 Wood and 80,740 stone require time 128:17 (genie lvl5) Research Tower 4
Elite Training
Increases veteran travel speed
Elite Training level 1 --- 76,000 wood and 80,000 stone require research time 160:00:00 Research Tower 2
Workbench
Produce tools faster
Prerequisites: Maneuver level 2
Workbench level 1 --- 8,160 wood and 8,640 stone require research time 12:40:00 for tool production speed +9%
Workbench
Workbench level 2 --- 16,320 wood and 17,280 stone require research time 28:20:40 for tool production speed +18%
Workbench level 3 --- 24,480 wood and 25,920 stone require research time 37:30:00 for tool production speed +27% (Research tower 2)
Workbench level 4 --- 32,640 wood and 34,560 stone require research time 52:13:20 for tool production speed +36% ( Research tower 2 )
Workbench level 5 --- 40,800 wood and 43,200 stone require research time 67:30:00 for tool production speed +45% ( Research tower 2)
Workbench level 6 ---
Workbench level 7 --- 57,120 wood and 60,480 stone require research time 99:26:40 for tool production speed +54% ( Research tower 2)
Workbench level 8 ---
Workbench level 9 ---
Pit saw
Increase wood production
Pit saw level 1--- 11,880 wood and 11,880 stone, research time 22:21:40 (research tower lvl. 2)... for wood +4%
Pit saw
Pit saw level 2--- 23,760 wood and 23,760 stone, research time 53:20:00 (research tower lvl. 2)... for wood +8%
Pit saw level 3--- 35,640 wood and 35,640 stone, research time 88:28:20 (research tower lvl. 2)... for wood +12%
Pitsaw level 4 --- 47.520 wood and 47.520 stone, research time 152:10:00... for wood +16%
Pitsaw level 5 --- 59,4000 wood and 59,400 stone, research time 167:38:20... for wood +20%
Wedging
Increase stone production
Wedging
Wedging level 1--- 11,880 wood and 11,880 stone require research time 22:21:40 (research tower lvl. 2)... for stone +4%
Wedging level 2--- 23,760 wood and 23,760 stone require research time 53:20:00 (research tower lvl. 2)... for stone +8%
Wedging level 3--- 35,640 wood and 35,640 stone require research time 88:28:20 (research tower lvl. 2)... for stone +12%
Wedging level 4--- 47.520 wood and 47.520 stone require research time 108:44:25 (research tower lvl. 3)... for stone +16%
Wedging level 5--- 59,400 wood and 59,400 stone require research time 143:44:25 (research tower lvl. 3)... for stone +20%
Three-field crop rotation
Increases food production
Three-field crop rotation
Three-field crop rotation level 1 --- 11,990 wood and 11,990 stone required research time 26:23:20 (research tower level 2) food +4%
Three-field crop rotation level 2 --- 23,980 wood and 23,980 stone required research time 60:41:40 (research tower level 2) food +8%
Three-field crop rotation level 3 --- 35.970 wood and 35,970 stone required research time 98:45:00 (research tower level 2) food +12%
Three-field crop rotation level 4 --- 47,960 wood and 47,960 stone required research time 139:26:40 (research tower level 2) food +16%
Three-field crop rotation level 5 --- 59,950 wood and 59,950 stone required research time 182:13:20 (research tower level 2) food +20%
Reinforced Axle
Increases market barrow capacity
Reinforced axle level 1 --- 31,270 wood and 34,100 stone, research time 18:11:40 (Research tower 2) increase transport barrow capacity +5%
Reinforced axle level 2 --- 62,540 wood and 68,200 stone, research time 40:25:00(Research tower 2) increase transport barrow capacity +10%
Reinforced axle level 3 -- 1,200 Rubies, research time 64:26:40 (Research tower 2) increase transport barrow capacity +15%
Caravan
Reduces resource transport time to other kingdoms
Caravan level 1 --- 31,110 wood and 33,390 stone. Research time 18:36:40 (Research tower 2) reduces time to transport resources to other kingdoms 10%
Caravan level 2 --- 62,720 wood 66,780 stone. Research time 41:31:20 (Research Tower 2) reduces time to transport resources to other kingdoms 20%
Caravan Level 3 --1,900 Rubies. Research time 66:31:40 (Research Tower ?) reduces time to transport resources to other kingdoms 30%
Caravan Level 4 --??
Caravan Level 5 --??
Shady business
Increases the speed of your agents
Prerequisites: Forced march level 3, research tower lv 2
Shady business
Shady business level 1 --- 9,800 wood and 10,780 stone require research time 22:10:00 agent speed +15%
Shady business level 2--- 19,600 wood and 21,560 stone require research time 40:58:20 agent speed +30%
Shady business level 3--- 29,400 wood and 32,340 stone require research time 65:25:00 agent speed +45% (research tower 2)
Shady business level 4--- 39,200 wood and 43,120 stone require research time 90:58:20 agent speed +60% (research tower 2)
Shady business level 5---
Shady business level 6---
Shady business level 7 --- 68,600 wood and 75,460 stone require research time 130:33:20 agent speed +105% (research tower ?)
Chivalry
Increases experience from battle
Chivalry level 1 --- 10,545 wood and 11,655 stone require research time 09:43:00 (research Tower 2) experience from battle +2%
Chivalry level 2 --- 21,090 wood and 23,310 stone require research time 20:58:20 (research Tower 2) experience from battle +4%
Chivalry level 3 ---
Chivalry level 4 --- 42,180 wood and 46,620 stone require research time 38:34:17 (research Tower 2) experience from battle +8%
Chivalry level 5 ---
Gutter Runners
Increases number of agents
Prerequisites: ??, research tower lv 3
Gutter Runners level 1 --- 15,390 wood and 15,960 stone require research time 19:02:51 (research tower level 3) increase number of agents +1
Gutter Runners level 2 --- 30,780 wood and 31,920 stone require research time 43:12:51 (research tower level 3) increase number of agents +2
Gutter Runners level 3 --- 46,170 wood and 47,880 stone require research time 69:45:42 (research tower level 3) increase number of agents +3
Gutter Runners level 4 --- 61,560 wood and 63,840 stone require research time 97:58:34 (research tower level 3) increase number of agents +4
Gutter Runners level 5 --- 76,950 wood and 79,800 stone require research time 127:30:00 (research tower level 3) increase number of agents +5
Working Shifts
Increases the number of guards
Working shifts level 1 --- 15,750 wood and 16,120 stone require research time 24:26:40 (research Tower 2) increase no. of city guard +6%
Working shifts level 2 --- Working shifts level 3 --- Working shifts level 4 --- 63,000 wood and 64,480 stone require research time 115:25:00
Working shifts level 5 --- 78,750 wood and 80,650 stone require research time 148:30:00
Militia
Units that replace armed citizens
Militia level 1 --- 80,100 wood and 81,000 stone, research time 160:00:00 (research Tower 3)
NEW UPDATES
- Players in the high-level range (Level 70) can now upgrade the Research Tower to level 4 using resources.
- With level 4, the veteran version of the Two-handed swords, Halberdiers, Heavy Crossbowmen and Longbowmen will be unlocked.
- These research options can be executed with resources and do not require the Event-Researcher.
Strength-wise, these new veterans are in between the old veterans and the Kingsguard units. By PewDiePie From Indian Server
Source : direct ingame
Cost
Cost in gold,wood,stone and iron.