| Discovery Type | WeatherPhenomena |
| Discovery Name | black smoker |
| Rank | ★★★☆☆(3) (Number of Stars on Discovery Name card) |
| explanation | Similar to submarine volcanoes, this is a phenomenon in which hot water erupts from the ocean floor. Zinc and iron contained in hot water react with seawater, turning it black. |
| Era | |
| Deck Points | (Required Deck Points for debate deck) |
| Difficulty | (Rank of skills required for discovery) |
| Experience | 260 (For adventure jobs. Excluding company benefits, beginner bonuses, etc.) |
| Remarks | |
| 最終更新 | 2016-04-22 00:58:55 Efusuki |