The Iron Key is a common key. It is used to unlock a Locked Iron Chest.
Obtaining
Crafting
| Materials | Crafting station |
|---|---|
 Iron Bar (7) |  Key Casting Table |
Fishing
| Source | Catch type | Chance |
|---|---|---|
 Acid water Clay Caves +  Normal water | Loot | 0.92% |
 Forgotten Ruins + Normal water | Loot | 2.36% |
Drops
| Source | Chance for one | Chance per roll |
|---|---|---|
 Ancient Crate | 0.1% | 0.07% (1–2) |
 Bearded Merchant | 1.06% | 1.06% (1) |
 Brave Merchant | 1.06% | 1.06% (1) |
 Caveling | 1.06% | 1.06% (1) |
 Cloaked Merchant | 1.06% | 1.06% (1) |
 Fishing Merchant | 1.06% | 1.06% (1) |
 Large Ancient Crate | 1.84% | 0.53% (3–4) |
Structure-exclusive loot
| Structure | Container | Chance |
|---|---|---|
| Stone Melody Room (style 1) |  Iron Chest | 100% |
Structure-exclusive drops
| Structure | Source | Chance |
|---|---|---|
| Dirt Mushroom Farm |  Digging Spot | 50% |
History
- 1.0.0.1: Sell value increased from 41
to 46 . - 0.5.2.0-b84a:
- Reduced the cost of crafting keys at the Key Casting Table.
- Keys now also have a small chance to drop from all types of slimes, Cavelings, and from fishing.
- 0.5.0.0-9b96: Introduced.
