| Level | Spend Gold | Train warriors | Amber Shard | Purchase in the Seasonal Store. | ||||
| 1 | 1 | |||||||
| 2 | 700 000 000 | 105 000 | ||||||
| 3 | 7 500 000 000 | 205 000 | ||||||
| 4 | 1 100 000 000 | 310 000 | ||||||
| 5 | 7 500 000 000 | 470 000 | ||||||
| 6 | 1 500 000 000 | 3 300 000 000 | 15 000 000 000 | 1 000 000 | 2 090 000 | 1 |
| Level | 1 | 2 | 3 | 4 | 5 | 6 |
| Army Defense During Defense | 92% | 140.5% | 300% | |||
| Army Health During Defense | 15% | 29% | 44% | 66% | 140% | |
| Army Health | 29% | 43.5% | 66% | 140% | ||
| Healing Speed | 1% | 3% | 5% | 7% | 10% | 20% |
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