Research is conducted at an Alchemy Lab . Only one item may be researched per Alchemy lab. Detailed information about actual research time can be found here .
Fertilizer [ ]
Fertilizer
Description
Requirements
Each upgrade increases your Food production by 10%
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Alchemy Lab
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Farm
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Gold
1000
2000
4000
8000
16000
32000
64000
128000
256000
512000
Food
500
1000
2000
4000
8000
16000
32000
64000
128000
256000
Ore
100
200
400
800
1600
3200
6400
12800
25600
51200
Logging [ ]
Logging
Description
Requirements
Each upgrade increases your Wood production by 10%
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Alchemy Lab
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Sawmill
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Gold
1200
2400
4800
9600
19200
38400
76800
153600
307200
614400
Wood
500
1000
2000
4000
8000
16000
32000
64000
128000
256000
Ore
100
200
400
800
1600
3200
6400
12800
25600
51200
Stoneworking [ ]
Stoneworking
Description
Requirements
Each upgrade increases your Stone production by 10%
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Alchemy Lab
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Quarry
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Gold
1500
3000
6000
12000
24000
48000
96000
192000
384000
768000
Stone
500
1000
2000
4000
8000
16000
32000
64000
128000
256000
Ore
200
400
800
1600
3200
6400
12800
25600
51200
102400
Mining [ ]
Mining
Description
Requirements
Each upgrade increases your Ore production by 10%
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Alchemy Lab
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Mine
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Gold
2000
4000
8000
16000
32000
64000
128000
256000
512000
1024000
Ore
800
1600
3200
6400
12800
25600
51200
102400
204800
409600
Geometry [ ]
Geometry
Description
Requirements
Each upgrade increases the speed of construction on Siege Weapons by 10%
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Alchemy Lab
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Workshop
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 10
Research
Stoneworking
Level 2
Gold
5000
10000
20000
40000
80000
160000
320000
640000
1280000
2560000
5120000
Wood
500
1000
2000
4000
8000
16000
32000
64000
128000
256000
512000
Ore
500
1000
2000
4000
8000
16000
32000
64000
128000
256000
512000
Eagle Eyes [ ]
Eagle Eyes
Description
Requirements
Higher levels give you more detailed information when scouting.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Alchemy Lab
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Gold
2000
4000
8000
16000
32000
64000
128000
256000
512000
1024000
Food
300
600
1200
2400
4800
9600
19200
38400
76800
153600
Poisoned Edge [ ]
Poisoned Edge
Description
Requirements
Each upgrade increases your troops' attack by 5%.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Alchemy Lab
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Barracks
Level 2
Gold
3000
6000
12000
24000
48000
96000
192000
384000
768000
1536000
3072000
Food
800
1600
3200
6400
12800
25600
51200
102400
204800
409600
819200
Wood
120
240
480
960
1920
3840
7680
15360
30720
61440
122880
Stone
200
400
800
1600
3200
6400
12800
25600
51200
102400
204800
Ore
3000
6000
12000
24000
48000
96000
192000
384000
768000
1536000
3072000
Metal Alloys [ ]
Metal Alloys
Description
Requirements
Each upgrade increases your troops' defence by 5%.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Alchemy Lab
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Blacksmith
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Research
Mining
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Gold
3500
7000
14000
28000
56000
112000
224000
448000
896000
1792000
Food
700
1400
2800
5600
11200
22400
44800
89600
179200
358400
Wood
150
300
600
1200
2400
4800
9600
19200
38400
76800
Ore
300
600
1200
2400
4800
9600
19200
38400
76800
153600
Featherweight Powder [ ]
Featherweight Powder
Description
Requirements
Each upgrade increases your troops' load by 10%.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Alchemy Lab
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 10
Gold
3000
6000
12000
24000
48000
96000
192000
384000
768000
1536000
3072000
Food
500
1000
2000
4000
8000
16000
32000
64000
128000
256000
512000
Stone
200
400
800
1600
3200
6400
12800
25600
51200
102400
204800
Magical Mapping [ ]
Magical Mapping
Description
Requirements
Each upgrade increases your infantry troops' marching speed by 10%.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Alchemy Lab
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Gold
3000
6000
12000
24000
48000
96000
192000
384000
768000
1536000
3072000
Food
600
1200
2400
4800
9600
19200
38400
76800
153600
307200
614400
Alloy Horseshoes [ ]
Alloy Horseshoes
Description
Requirements
Each upgrade increases your horseback and siege weapon troops marching speed by 5%.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Alchemy Lab
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Stable
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Research
Metal Alloys
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Gold
12000
24000
48000
96000
192000
384000
768000
1536000
3072000
6144000
Food
1000
2000
4000
8000
16000
32000
64000
128000
256000
512000
Ore
1000
2000
4000
8000
16000
32000
64000
128000
256000
512000
Fletching [ ]
Fletching
Description
Requirements
Each upgrade increases your projectiles' range by 5%.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Alchemy Lab
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Research
Logging
Level 4
Gold
5000
10000
20000
40000
80000
160000
320000
640000
1280000
2560000
5120000
Wood
800
1600
3200
6400
12800
25600
51200
102400
204800
409600
819200
Stone
500
1000
2000
4000
8000
16000
32000
64000
128000
256000
512000
Ore
600
1200
2400
4800
9600
19200
38400
76800
153600
307200
614400
Shrinking Powder [ ]
Shrinking Powder
Description
Requirements
Each upgrade increases your Storehouse capacity by 10%.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Alchemy Lab
Level 6
Level 7
Level 8
Level 9
Level 10
Construction
Storehouse
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Research
Logging
Level 3
Gold
2000
4000
8000
16000
32000
64000
128000
256000
512000
1024000
Wood
1200
2400
4800
9600
19200
38400
76800
153600
307200
614400
Stone
1000
2000
4000
8000
16000
32000
64000
128000
256000
512000
Ore
800
1600
3200
6400
12800
25600
51200
102400
204800
409600
Healing Potions [ ]
Healing Potions
Description
Requirements
Each upgrade increases your troops' health by 5%.
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Alchemy Lab
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Research
Featherweight Powder
Level 3
Gold
3600
7200
14400
28800
57600
115200
230400
460800
921600
1843200
3686400
Food
1500
3000
6000
12000
24000
48000
96000
192000
384000
768000
1536000
Giant's Strength [ ]
Giant's Strength
Description
Requirements
Each upgrade increases your construction speed by 10%
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Construction
Alchemy Lab
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Research
Logging
Level 5
Research
Geometry
Level 2
Gold
5000
10000
20000
40000
80000
160000
320000
640000
1280000
2560000
5120000
Wood
2000
4000
8000
16000
32000
64000
128000
256000
512000
1024000
2048000
Stone
2000
4000
8000
16000
32000
64000
128000
256000
512000
1024000
2048000
Ore
2000
4000
8000
16000
32000
64000
128000
256000
512000
1024000
2048000