Max level

15 (25 in the capital, 20 with an architects artifact)

Tribes

All tribes

Catapult targets

Can be damaged by catapults.

Prerequisites

None

Costs and effects by level

Effect: Production per hour

Level						CP		Effect
1	40	100	50	60	2	1	0:00:03	20
2	65	165	85	100	1	1	0:00:06	36
3	110	280	140	165	1	2	0:00:12	60
4	185	465	235	280	1	2	0:00:21	88
5	310	780	390	465	1	2	0:00:36	132
6	520	1.300	650	780	2	3	0:00:59	200
7	870	2.170	1.085	1.300	2	4	0:01:36	280
8	1.450	3.625	1.810	2.175	2	4	0:02:36	400
9	2.420	6.050	3.025	3.630	2	5	0:04:12	580
10	4.040	10.105	5.050	6.060	2	6	0:06:44	800
11	6.750	16.870	8.435	10.125	2	7	0:10:49	1.120
12	11.270	28.175	14.090	16.905	2	9	0:17:21	1.500
13	18.820	47.055	23.525	28.230	2	11	0:27:47	1.980
14	31.430	78.580	39.290	47.150	2	13	0:44:29	2.540
15	52.490	131.230	65.615	78.740	2	15	1:11:12	3.200
16	87.660	219.155	109.575	131.490	3	18	1:53:57	4.000
17	146.395	365.985	182.995	219.590	3	22	3:02:22	5.200
18	244.480	611.195	305.600	366.715	3	22	4:51:49	6.400
19	408.280	1.020.695	510.350	612.420	3	22	7:46:56	8.000
20	681.825	1.704.565	852.280	1.022.740	3	22	12:27:08	9.800
21	691.825	1.804.565	862.280	1.122.740	3	22	12:43:48	13.800
22	701.825	1.904.565	872.280	1.222.740	3	22	13:00:28	17.800
23	711.825	2.104.565	882.280	1.322.740	3	22	13:17:08	21.800
24	721.825	2.204.565	892.280	1.422.740	3	22	13:33:48	25.800
25	731.825	2.304.565	912.280	1.522.740	3	30	13:50:28	29.800