Orichalcum (オリハルコン Oriharukon ), stylised as Orihalcon in Riviera - The Promised Land and Orihalcum in Yggdra Union, is a recurring item in Dept. Heaven series.
Orihalcon is an event item from Riviera: The Promised Land. It is a material that is used to forge Diviners. This item becomes lost after Ein is abducted by Ursula.
- Obtainment Method: Examine the sunlight in the first two rooms of Heaven's Gate's Cavern of Judgment.
- Function: No use, and there is no way to preserve it.