| Discovery Type | Treasure |
| Discovery Name | Rivian glass |
| Rank | ★★★★☆(4) (Number of Stars on Discovery Name card) |
| explanation | Natural glass found in the northeastern part of the Sahara. It has been used as jewelry and jewelry since the ancient Egyptian Era. It is unclear how glass was formed in this region, which lacks high-temperature heat sources such as volcanoes. |
| Era | |
| Deck Points | 6 (Required Deck Points for debate deck) |
| Difficulty | (Rank of skills required for discovery) |
| Experience | 660 (For adventure jobs. Excluding company benefits, beginner bonuses, etc.) |
| Remarks | |
| 最終更新 | 2022-06-17 16:06:17 Mifuyu |