UPGRADES
| LEVEL | DEFENSE | DURABILITY | RECIPE |
| Level 0 | 7 | 300 | 7x  3x  |
| Level 1 | 8 | 300 | 1x  2x 1x 1x  |
| Level 2 | 8 | 300 | 1x 2x 1x |
| Level 3 | 8 | 300 | 1x 2x 1x 2x |
| Level 4 | 9 | 300 | 1x 2x 1x |
| Level 5 | 9 | 300 | 1x 3x 1x 1x  |
| Level 6 | 10 | 300 | 1x 3x 1x |
| Level 7 | 10 | 300 | 1x 3x 1x 2x |
| Level 8 | 11 | 300 | 1x 3x 1x |
| Level 9 | 12 | 300 | 1x 3x 1x 3x |
| Level 10 | 12 | 300 | 1x 7x 3x 4x |