Research is done in the Alchemy Lab.
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
|
| Construction
|
Alchemy Lab
|
Level 3
|
Level 3
|
Level 3
|
Level 4
|
Level 5
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Construction
|
Workshop
|
Level 1
|
Level 2
|
Level 3
|
Level 4
|
Level 5
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Research
|
Stoneworking
|
Level 2
|
| Gold
|
5000
|
10000
|
20000
|
40000
|
80000
|
160000
|
320000
|
640000
|
1280000
|
2560000
|
| Wood
|
500
|
1000
|
2000
|
4000
|
8000
|
16000
|
32000
|
64000
|
128000
|
256000
|
| Ore
|
500
|
1000
|
2000
|
4000
|
8000
|
16000
|
32000
|
64000
|
128000
|
256000
|
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 3
|
Level 3
|
Level 4
|
Level 5
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Gold
|
2000
|
4000
|
8000
|
16000
|
32000
|
640000
|
128000
|
256000
|
5120000
|
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
|
| Construction
|
Alchemy Lab
|
Level 2
|
Level 2
|
Level 3
|
Level 4
|
Level 5
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Construction
|
Barracks
|
Level 2
|
| Gold
|
3000
|
6000
|
12000
|
24000
|
48000
|
96000
|
192000
|
384000
|
768000
|
1536000
|
| Food
|
800
|
1600
|
3200
|
6400
|
12800
|
25600
|
51200
|
102400
|
204800
|
409600
|
| Wood
|
120
|
240
|
480
|
960
|
1920
|
3840
|
7680
|
15360
|
30720
|
61440
|
| Stone
|
200
|
400
|
800
|
1600
|
3200
|
6400
|
12800
|
25600
|
51200
|
102400
|
| Ore
|
3000
|
6000
|
12000
|
24000
|
48000
|
96000
|
192000
|
384000
|
768000
|
1536000
|
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 3
|
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
|
| Construction
|
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
|
| Construction
|
Alchemy Lab
|
Level 4
|
Level 4
|
Level 4
|
Level 4
|
Level 5
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Gold
|
3000
|
6000
|
12000
|
24000
|
48000
|
96000
|
192000
|
384000
|
768000
|
1536000
|
| Food
|
500
|
1000
|
2000
|
4000
|
8000
|
16000
|
32000
|
64000
|
128000
|
256000
|
| Stone
|
200
|
400
|
800
|
1600
|
3200
|
6400
|
12800
|
25600
|
51200
|
102400
|
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
|
| Construction
|
Alchemy Lab
|
Level 4
|
Level 4
|
Level 4
|
Level 4
|
Level 5
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Gold
|
3000
|
6000
|
12000
|
24000
|
48000
|
96000
|
192000
|
384000
|
768000
|
1536000
|
| Food
|
600
|
1200
|
2400
|
4800
|
9600
|
19200
|
38400
|
76800
|
153600
|
307200
|
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 5
|
Level 5
|
Level 5
|
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
|
| Construction
|
Alchemy Lab
|
Level 4
|
Level 4
|
Level 4
|
Level 4
|
Level 5
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Research
|
Logging
|
Level 4
|
| Gold
|
5000
|
10000
|
20000
|
40000
|
80000
|
160000
|
320000
|
640000
|
1280000
|
2560000
|
| Wood
|
800
|
1600
|
3200
|
6400
|
12800
|
25600
|
51200
|
102400
|
204800
|
409600
|
| Stone
|
500
|
1000
|
2000
|
4000
|
8000
|
16000
|
32000
|
64000
|
128000
|
256000
|
| Ore
|
600
|
1200
|
2400
|
4800
|
9600
|
19200
|
38400
|
76800
|
153600
|
307200
|
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 6
|
Level 6
|
Level 6
|
Level 6
|
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 2
|
| 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
|
| Construction
|
Alchemy Lab
|
Level 6
|
Level 6
|
Level 6
|
Level 6
|
Level 6
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Research
|
Featherweight Powder
|
Level 3
|
| Gold
|
3600
|
7200
|
14400
|
28800
|
57600
|
115200
|
230400
|
460800
|
921600
|
1843200
|
| Food
|
1500
|
3000
|
6000
|
12000
|
24000
|
48000
|
96000
|
192000
|
384000
|
768000
|
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
|
| Construction
|
Alchemy Lab
|
Level 5
|
Level 5
|
Level 5
|
Level 5
|
Level 5
|
Level 6
|
Level 7
|
Level 8
|
Level 9
|
Level 10
|
| Research
|
Logging
|
Level 5
|
| Research
|
Stoneworking
|
Level 2
|
| Gold
|
5000
|
10000
|
20000
|
40000
|
80000
|
160000
|
320000
|
640000
|
1280000
|
2560000
|
| Wood
|
2000
|
4000
|
8000
|
16000
|
32000
|
64000
|
128000
|
256000
|
512000
|
1024000
|
| Ore
|
2000
|
4000
|
8000
|
16000
|
32000
|
64000
|
128000
|
256000
|
512000
|
1024000
|
