| Discovery Type | Historical Relics |
| Discovery Name | horn organ |
| Rank | ★☆☆☆☆(1) (Number of Stars on Discovery Name card) |
| explanation | "Kokkakuki." Prehistoric Era tools made from animal bones and horns. Bone cannot be made into knives, but it is good for arrowheads, spears, and needles. It was also often used for amulets and ornaments. |
| Era | |
| Deck Points | 1 (Required Deck Points for debate deck) |
| Difficulty | 2 (Rank of skills required for discovery) |
| Experience | 26 (For adventure jobs. Excluding company benefits, beginner bonuses, etc.) |
| Remarks | Prehistoric Era Historic Sites Map |
| 最終更新 | 2015-01-27 02:09:17 System |