Class | Upgrade | |
Level | Cost | Cost |
1 | 1000 cr | - |
2 | 4000 cr | 3000 cr |
3 | 9000 cr | 5000 cr |
4 | 16000 cr | 7000 cr |
5 | 25000 cr | 9000 cr |
6 | 36000 cr | 11000 cr |
7 | 49000 cr | 13000 cr |
8 | 64000 cr | 15000 cr |
9 | 81000 cr | 17000 cr |
10 | 100000 cr | 19000 cr |
11 | 121000 cr | 21000 cr |
12 | 144000 cr | 23000 cr |
13 | 169000 cr | 25000 cr |
14 | 196000 cr | 27000 cr |
15 | 225000 cr | 29000 cr |
16 | 256000 cr | 31000 cr |
17 | 289000 cr | 33000 cr |
18 | 324000 cr | 35000 cr |
19 | 361000 cr | 37000 cr |
20 | 400000 cr | 39000 cr |