Revival costs												Revival time in hours
Level	Romans				Teutons				Gauls				1x speed server	3x speed server
1	270	240	380	160	380	270	240	160	240	380	270	160	2	1
2	420	370	590	240	590	420	370	240	370	590	420	240	3	1.5
3	590	520	810	340	810	590	520	340	520	810	590	340	4	2
4	750	650	1050	450	1050	750	650	450	650	1050	750	450	5	2.5
5	950	850	1300	550	1300	950	850	550	850	1300	950	550	6	3
6	1100	1000	1600	700	1600	1100	1000	700	1000	1600	1100	700	7	3.5
7	1300	1200	1900	800	1900	1300	1200	800	1200	1900	1300	800	8	4
8	1600	1400	2200	900	2200	1600	1400	900	1400	2200	1600	900	9	4.5
9	1800	1600	2500	1000	2500	1800	1600	1000	1600	2500	1800	1000	10	5
10	2000	1800	2800	1200	2800	2000	1800	1200	1800	2800	2000	1200	11	5.5
11	2300	2000	3200	1300	3200	2300	2000	1300	2000	3200	2300	1300	12	6
12	2500	2200	3500	1500	3500	2500	2200	1500	2200	3500	2500	1500	13	6.5
13	2800	2500	3900	1600	3900	2800	2500	1600	2500	3900	2800	1600	14	7
14	3100	2700	4300	1800	4300	3100	2700	1800	2700	4300	3100	1800	15	7.5
15	3400	3000	4700	2000	4700	3400	3000	2000	3000	4700	3400	2000	16	8
16	3700	3300	5100	2100	5100	3700	3300	2100	3300	5100	3700	2100	17	8.5
17	4000	3500	5500	2300	5500	4000	3500	2300	3500	5500	4000	2300	18	9
18	4300	3800	6000	2500	6000	4300	3800	2500	3800	6000	4300	2500	19	9.5
19	4700	4100	6500	2700	6500	4700	4100	2700	4100	6500	4700	2700	20	10
20	5000	4400	6900	2900	6900	5000	4400	2900	4400	6900	5000	2900	21	10.5

The formula for the hero revival time is: 
       revivaltime = Minimum(level+1; 24) / round off(speedfactor/3 +1) in an hour 
The maximum revival time is 24 hours!