| Discovery Type | WeatherPhenomena |
| Discovery Name | arch clouds |
| Rank | ★★☆☆☆(2) (Number of Stars on Discovery Name card) |
| explanation | A phenomenon in which clouds form an arch. They form where cold air and warm air from cumulonimbus clouds collide. When arch clouds form, strong wind gusts and thunderstorms often occur. |
| Era | |
| Deck Points | (Required Deck Points for debate deck) |
| Difficulty | (Rank of skills required for discovery) |
| Experience | 320 (For adventure jobs. Excluding company benefits, beginner bonuses, etc.) |
| Remarks | |
| 最終更新 | 2020-05-10 21:27:01 Passing navigator @guest |