Acquired from Harvest > Mining.
Required for:
| Product | Components | Building lvl |
|---|---|---|
| Giant Axe |
10 Steel 10 Corundum |
Blacksmith Shop lvl 3 x 2 |
| Ruby | 25 Corundum | Magic Shop lvl 2 |
| Sapphire | 25 Corundum | Magic Shop lvl 2 |
| Thousand Arrow |
4 Quart 4 Corundum |
Magic Shop lvl 6 |
| Spinel Ring |
100 Corundum 5 Dark Steel 7 Ruby |
Magic Shop lvl 6 |