| Discovery Type | Historical Relics |
| Discovery Name | Yupana of the Incas |
| Rank | ★★★★★(5) (Number of Stars on Discovery Name card) |
| explanation | A calculation device used in the Inca Empire. Calculation is done by placing a pebble or grain into a depression and moving it according to the law. It is said that it was able to perform complex calculations quickly and astonish Europeans, but the detailed usage is unknown. |
| Era | |
| Deck Points | 8 (Required Deck Points for debate deck) |
| Difficulty | 1 (Rank of skills required for discovery) |
| Experience | (For adventure jobs. Excluding company benefits, beginner bonuses, etc.) |
| Remarks | |
| 最終更新 | 2020-08-15 11:54:03 Koumeitan |