Castel del Monte

The enigmatic Castel del Monte was possibly meant to deter rebellious local nobles. Its many idiosyncrasies and mysterious details have puzzled researchers through many ages since.
Properties
Type:	Great Building
Age:	Late Middle Ages
Street:	1x1
Size:	5x5
Construction Cost:	270 Basalt 170 Brass 270 Gunpowder 150 Talc Powder 140 Silk
Boosts
Research	Produces Forge Points every 24 hours.
Military boost	Attacking units have their attack and defense values boosted by a percentage.

Level	Requires
1	50	6,000	1	3%
2	80	7,200	1	6%
3	140	9,300	2	9%
4	210	12,450	2	12%
5	290	16,800	3	15%
6	360	22,200	3	18%
7	440	28,800	4	21%
8	530	36,750	4	24%
9	610	45,900	5	27%
10	700	56,400	6	30%
Level	Requires
11	718	67,170	6	31%
12	736	78,210	7	31%
13	754	89,520	7	32%
14	773	101,115	8	32%
15	792	112,995	9	33%
16	812	125,175	9	33%
17	833	137,670	10	34%
18	853	150,465	10	34%
19	875	163,590	11	35%
20	897	177,045	12	35%
Level	Requires
21	919	190,830	12	36%
22	942	204,960	13	36%
23	965	219,435	13	37%
24	990	234,285	14	37%
25	1,014	249,495	15	38%
26	1,040	265,095	15	38%
27	1,066	281,085	16	39%
28	1,092	297,465	16	39%
29	1,120	314,265	17	40%
30	1,148	331,485	18	40%
Level	Requires
31	1,176	349,125	18	41%
32	1,206	367,215	19	41%
33	1,236	385,755	19	42%
34	1,267	404,760	20	42%
35	1,298	424,230	21	43%
36	1,331	444,195	21	43%
37	1,364	464,655	22	44%
38	1,398	485,625	22	44%
39	1,433	507,120	23	45%
40	1,469	529,155	24	45%
Level	Requires
41	1,506	551,745	24	46%
42	1,543	574,890	25	46%
43	1,582	598,620	25	47%
44	1,621	622,935	26	47%
45	1,662	647,865	27	48%
46	1,703	673,410	27	48%
47	1,746	699,600	28	49%
48	1,789	726,435	28	49%
49	1,834	753,945	29	50%
50	1,880	782,145	30	50%
Level	Requires
51	1,927	811,050	30	51%
52	1,975	840,675	31	51%
53	2,025	871,050	31	52%
54	2,075	902,175	32	52%
55	2,127	934,080	33	53%
56	2,180	966,780	33	53%
57	2,235	1,000,305	34	54%
58	2,291	1,034,670	34	54%
59	2,348	1,069,890	35	55%
60	2,406	1,105,980	36	55%
Level	Requires
61	2,467	1,142,985	36	56%
62	2,528	1,180,905	37	56%
63	2,591	1,219,770	37	57%
64	2,656	1,259,610	38	57%
65	2,723	1,300,455	39	58%
66	2,791	1,342,320	39	58%
67	2,860	1,385,220	40	59%
68	2,932	1,429,200	40	59%
69	3,005	1,474,275	41	60%
70	3,080	1,520,475	42	60%
Level	Requires
71	3,157	1,567,830	42	61%
72	3,236	1,616,370	43	61%
73	3,317	1,666,125	43	62%
74	3,400	1,717,125	44	62%
75	3,485	1,769,400	45	63%
76	3,572	1,822,980	45	63%
77	3,661	1,877,895	46	64%
78	3,753	1,934,190	46	64%
79	3,847	1,991,895	47	65%
80	3,943	2,051,040	48	65%