The Polished Shell is a valuable item.
Obtaining
Fishing
| Source | Catch type | Chance |
|---|---|---|
 Sea water Sunken Sea +  Normal water | Loot | 0.88% |
Loot
| Container | Chance for one | Chance per roll |
|---|---|---|
 Locked Octarine Chest | 4.78% | 1.22% (3–5) |
Structure-exclusive loot
| Structure | Container | Chance for one | Chance per roll |
|---|---|---|---|
| Nature Melody Room (style 1) |  Ancient Chest | 4.78% | 1.22% (3–5) |
| Nature Melody Room (style 2) |  Mold Covered Chest | 4.78% | 1.22% (3–5) |
History
- 0.4.0-3f9c: Introduced.
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