| Level | Materials | Coin Cost | Time Cost | Coins from Battles |
|---|---|---|---|---|
| Build |  10 |
 70,000 |
 10 sec |
+2% |
| 1 → 2 |  2 |
10,000 |
1 min |
+4% |
| 2 → 3 | 3 |
20,000 |
3 min |
+6% |
| 3 → 4 |  4 |
30,000 |
5 min |
+8% |
| 4 → 5 | 5 |
50,000 |
10 min |
+10% |
| 5 → 6 | 6 |
80,000 |
20 min |
+12% |
| 6 → 7 | 7 |
120,000 |
30 min |
+14% |
| 7 → 8 | 8 |
200,000 |
40 min |
+16% |
| 8 → 9 | 9 |
300,000 |
50 min |
+18% |
| 9 → 10 | 10 |
500,000 |
1 hr |
+20% |
