Farm

Info	Costs					Gold Cost	Might
Level	Wood	Stone	Iron	Time	Building Plans	Instant Upgrade
1	80	95	60	50s		5	1,800
2	90	100	75	1m 40s		10	3,500
3	110	140	110	3m 20s		20	5,200
4	180	250	200	4m 50s		30	6,900
5	360	520	390	13m 20s		50	742
6	740	1 070	750	26m 40s		80	10,300
7	1 450	2 060	1 390	53m 20s		120	12,000
8	2 660	3 710	2 390	1h 46m 40s		190	13,700
9	4 580	6 280	3 890	3h 33m 20s		290	15,400
10	7 500	10 100	6 030	7h 6m 40s		440	17,100
11	11 750	15 570	8 990	8h 53m 20s		530	18,800
12	17 740	23 150	12 980	11h 6m 40s		319	1,733
13	25 940	33 370	18 210	13h 53m 20s		770	22,200
14	36 890	46 820	24 920	17h 21m 40s		930	23,900
15	51 140	64 100	33 370	21h 42m 5s		1,110	49,500
16	69 290	85 840	43 770	1day 3h 7m 36s		1,330	76,800
17	91 950	112 690	56 330	1day 9h 54m 30s		1,570	105,800
18	119 780	145 320	71 280	1day 18h 23m 55s		1,850	136,500
19	153 420	184 390	88 880	2days 4h 58m 55s		1,396	8,168
20	193 490	230 530	109 350	2days 18h 13m 39s		2,540	203,000
21	240 590	284 320	132 890	3days 51m 1s		2,830	238,800
22	295 350	346 370	159 630	3days 8h 8m 7s		3,150	276,300
23	358 460	417 370	189 870	3days 16h 8m 56s		3,500	315,500
24	430 590	497 970	223 820	4days 57m 50s		3,870	356,400
25	512 400	588 800	261 580	4days 10h 39m 37s		4,270	399,000
26	604 510	690 450	303 330	4days 21h 19m 35s		4,700	443,300
27	707 510	803 460	349 360	5days 9h 3m 33s		5,160	489,300
28	821 920	928 320	399 730	5days 21h 57m 54s		5,650	537,000
29	948 240	1 065 470	454 470	6days 12h 9m 41s		6,180	586,400
30	1 086 960	1 215 360	513 860	7days 3h 46m 39s		6,730	637,500
31	5 434 800	6 076 800	2 569 300	78days 17h 33m 8s
32	7 336 980	8 203 680	3 468 555	106days 6h 53m 44s
33	9 904 923	11 074 968	4 682 549	143days 11h 42m 32s
34	13 371 646	14 951 207	3 304 675	193days 17h 0m 25s	50	15,262	18,084
35	17 383 140	19 436 569	8 217 873	251days 19h 42m 33s	110	19,142	37,901

Take any value in italics above as incorrect, as game updates have changed them, and the table above hasn't been updated to match. Farm levels 34 and 35 updated as at 2023-05-13 and game update 64.

Farm Level	Attributes
	Food Income/hour	Storage Capacity
1	200	3,200
2	300	4,800
3	400	6,400
4	1,769	45,000
5	2,106	67,500
6	2,506	94,500
7	1,189	19,000
8	1,539	24,600
9	1,935	31,000
10	2,379	38,100
11	5,793	266,475
12	6,815	313,500
13	3,992	63,900
14	4,613	73,800
15	5,266	84,300
16	5,945	95,100
17	6,649	106,400
18	12,929	594,750
19	14,168	651,750
20	8,863	141,800
21	9,615	153,800
22	10,383	166,100
23	11,162	178,600
24	11,949	265,800
25	12,741	390,600
26	13,535	555,600
27	14,327	753,000
28	15,116	997,200
29	15,899	1,381,500
30	16,680	1,450,600
31
32
33	36,967	2,365,903
34	40,665	2,602,495
35	44,363	2,839,087

The only building requirement needed to upgrade the Farm is to have the right Castle level.

The values for castles below 31 are incorrect if they are in italics due to changes in game updates.