| Discovery Type | WeatherPhenomena |
| Discovery Name | Undersea volcano |
| Rank | ★★☆☆☆(2) (Number of Stars on Discovery Name card) |
| explanation | A phenomenon in which undersea volcanoes are active. If the water is shallow and the eruption force is strong, smoke will be emitted from the sea surface. Particularly active eruptions can lead to the formation of islands. |
| Era | |
| Deck Points | (Required Deck Points for debate deck) |
| Difficulty | (Rank of skills required for discovery) |
| Experience | 150 (For adventure jobs. Excluding company benefits, beginner bonuses, etc.) |
| Remarks | |
| 最終更新 | 2016-04-22 00:41:40 Efusuki |