The Adder Stone is a valuable item.
Obtaining
Fishing
| Source | Catch type | Chance |
|---|---|---|
 Forgotten Ruins +  Normal water | Loot | 1.68% |
Loot
| Container | Chance for one | Chance per roll |
|---|---|---|
 Locked Iron Chest | 4.26% | 1.24% (3–4) |
Structure-exclusive loot
| Structure | Container | Chance for one | Chance per roll |
|---|---|---|---|
| Dirt Melody Room (style 1) Dirt Melody Room (style 2) |  Ancient Chest | 4.26% | 1.24% (3–4) |
| Clay Melody Room (style 1) |  Copper Chest | 4.26% | 1.24% (3–4) |
| Malugaz the Corrupted's Dungeon Stone Bridge Area |  Iron Chest | 4.26% | 1.24% (3–4) |
History
- 0.3.0-297a: Introduced.
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