Levels

Lv	Cooldown	Cost	Attributes
1	01:24:23	48 7,031	Crit strike level +1.0 1.0	48 7,031 Crit strike level +1.0 1.0
2	01:57:54	68 9,825	Crit strike level +1.7 2.7	68 9,825 Crit strike level +1.7 2.7
3	02:45:37	97 13,802	Crit strike level +2.2 4.9	97 13,802 Crit strike level +2.2 4.9
4	03:47:30	134 18,958	Crit strike level +2.5 7.4	134 18,958 Crit strike level +2.5 7.4
5	05:04:21	182 25,362	Crit strike level +2.7 10.1	182 25,362 Crit strike level +2.7 10.1
6	06:37:33	240 33,129	Crit strike level +3.0 13.1	240 33,129 Crit strike level +3.0 13.1
7	08:28:52	311 42,405	Crit strike level +3.3 16.4	311 42,405 Crit strike level +3.3 16.4
8	10:40:25	396 53,368	Crit strike level +3.5 19.9	396 53,368 Crit strike level +3.5 19.9
9	13:14:43	497 66,227	Crit strike level +3.7 23.6	497 66,227 Crit strike level +3.7 23.6
10	16:14:40	617 81,222	Crit strike level +3.9 27.5	617 81,222 Crit strike level +3.9 27.5
11	19:43:34	757 98,630	Crit strike level +4.1 31.6	757 98,630 Crit strike level +4.1 31.6
12	23:45:11	922 118,766	Crit strike level +4.3 35.9	922 118,766 Crit strike level +4.3 35.9
13	1 day 04:23:50	1,115 141,986	Crit strike level +4.5 40.4	1,115 141,986 Crit strike level +4.5 40.4
14	1 day 09:44:22	1,339 168,697	Crit strike level +4.6 45.0	1,339 168,697 Crit strike level +4.6 45.0
15	1 day 15:52:17	1,599 199,357	Crit strike level +4.7 49.7	1,599 199,357 Crit strike level +4.7 49.7
16	1 day 22:53:51	1,901 234,488	Crit strike level +5.0 54.7	1,901 234,488 Crit strike level +5.0 54.7
17	2 days 06:56:06	2,250 274,675	Crit strike level +5.2 59.9	2,250 274,675 Crit strike level +5.2 59.9
18	2 days 16:07:00	2,654 320,583	Crit strike level +5.2 65.1	2,654 320,583 Crit strike level +5.2 65.1
19	3 days 02:35:32	3,119 372,961	Crit strike level +5.4 70.5	3,119 372,961 Crit strike level +5.4 70.5
20	3 days 14:31:53	3,655 432,657	Crit strike level +5.5 76.0	3,655 432,657 Crit strike level +5.5 76.0
21	4 days 04:07:30	4,272 500,625	Crit strike level +5.6 81.6	4,272 500,625 Crit strike level +5.6 81.6
22	4 days 16:39:20	4,831 563,277	Crit strike level +5.8 87.4	4,831 563,277 Crit strike level +5.8 87.4
23	5 days 06:21:52	5,445 631,822	Crit strike level +5.8 93.2	5,445 631,822 Crit strike level +5.8 93.2
24	5 days 21:20:40	6,121 706,722	Crit strike level +6.0 99.2	6,121 706,722 Crit strike level +6.0 99.2
25	6 days 13:41:41	6,863 788,473	Crit strike level +6.2 105.4	6,863 788,473 Crit strike level +6.2 105.4
26	7 days 07:31:20	7,676 877,611	Crit strike level +6.2 111.6	7,676 877,611 Crit strike level +6.2 111.6
27	8 days 02:56:32	8,567 974,711	Crit strike level +6.4 118.0	8,567 974,711 Crit strike level +6.4 118.0
28	9 days 00:04:41	9,542 1,080,390	Crit strike level +6.5 124.5	9,542 1,080,390 Crit strike level +6.5 124.5
29	9 days 23:03:46	10,608 1,195,314	Crit strike level +6.6 131.1	10,608 1,195,314 Crit strike level +6.6 131.1
30	11 days 00:02:21	11,773 1,320,196	Crit strike level +6.8 137.9	11,773 1,320,196 Crit strike level +6.8 137.9
31	12 days 03:09:40	13,044 1,455,805	Crit strike level +6.8 144.7	13,044 1,455,805 Crit strike level +6.8 144.7
32	13 days 03:50:54	14,184 1,579,241	Crit strike level +7.0 151.7	14,184 1,579,241 Crit strike level +7.0 151.7
33	14 days 06:02:30	15,396 1,710,208	Crit strike level +7.2 158.9	15,396 1,710,208 Crit strike level +7.2 158.9
34	15 days 09:48:42	16,686 1,849,059	Crit strike level +7.2 166.1	16,686 1,849,059 Crit strike level +7.2 166.1
35	16 days 15:13:56	18,056 1,996,161	Crit strike level +7.4 173.5	18,056 1,996,161 Crit strike level +7.4 173.5
36	17 days 22:22:48	19,511 2,151,900	Crit strike level +7.4 180.9	19,511 2,151,900 Crit strike level +7.4 180.9
37	19 days 07:20:07	21,054 2,316,677	Crit strike level +7.5 188.4	21,054 2,316,677 Crit strike level +7.5 188.4
38	20 days 18:10:56	22,691 2,490,911	Crit strike level +7.6 196.0	22,691 2,490,911 Crit strike level +7.6 196.0
39	22 days 07:00:29	24,425 2,675,040	Crit strike level +7.7 203.7	24,425 2,675,040 Crit strike level +7.7 203.7
40	23 days 21:54:15	26,262 2,869,521	Crit strike level +7.9 211.6	26,262 2,869,521 Crit strike level +7.9 211.6
41	25 days 14:57:57	28,206 3,074,829	Crit strike level +7.9 219.5	28,206 3,074,829 Crit strike level +7.9 219.5
42	27 days 10:17:33	30,264 3,291,462	Crit strike level +8.0 227.5	30,264 3,291,462 Crit strike level +8.0 227.5
43	29 days 07:59:15	32,440 3,519,938	Crit strike level +8.1 235.6	32,440 3,519,938 Crit strike level +8.1 235.6
44	31 days 08:09:34	34,740 3,760,798	Crit strike level +8.3 243.9	34,740 3,760,798 Crit strike level +8.3 243.9
45	33 days 10:55:16	37,170 4,014,605	Crit strike level +8.2 252.1	37,170 4,014,605 Crit strike level +8.2 252.1
46	35 days 16:23:23	39,736 4,281,948	Crit strike level +8.4 260.5	39,736 4,281,948 Crit strike level +8.4 260.5
47	38 days 00:41:17	42,446 4,563,441	Crit strike level +8.5 269.0	42,446 4,563,441 Crit strike level +8.5 269.0
48	40 days 11:56:40	45,306 4,859,722	Crit strike level +8.6 277.6	45,306 4,859,722 Crit strike level +8.6 277.6
49	43 days 02:17:30	48,322 5,171,459	Crit strike level +8.6 286.2	48,322 5,171,459 Crit strike level +8.6 286.2
50	45 days 19:52:09	51,503 5,499,346	Crit strike level +8.8 295.0	51,503 5,499,346 Crit strike level +8.8 295.0

Required

Upgrade and unlock the following tech to research

Lv	Tech
1	Research Center: 1
1	Tactics II: 1 I - P.Pen Buff: 1 I - M.Pen Buff: 1