Cường hóa
Nâng cấp | Tỉ lệ |
0-1 | 100% |
1-2 | 85% |
2-3 | 75% |
3-4 | 65% |
4-5 | 45% |
5-6 | 25% |
6-7 | 15% |
7-8 | 5% |
8-9 | 3% |
9-10 | 1% |
10-11 | 0.3% |
11-12 | 0.1% |
12-13 | 0.05% |
13-14 | 0.04% |
14-15 | 0.03% |
15-16 | 0.02% |
16-17 | 0.01% |
17-18 | 0.01% |
18-19 | 0.01% |
19-20 | 0.01% |