Black Copper Horn is in Common Ascension Material of Genshin Impact.
Description: A metallic monster horn that can only be obtained from especially strong hilichurls, since blowing on the horn takes real strength.
| Item Type | Common Ascension Material |
| Rarity | 3 Stars |
How to Get Black Copper Horn
There is 1 source to obtain Heavy Horn
Crafting Type: Alchemy 
Heavy Horn (x3)
Source 1: Dropped by Lv.40+ Mitachurls
How to Craft Black Copper Horn
| Name | Image | Craft Type |
| Black Crystal Horn |  | Alchemy |
Weapon That Use Black Copper Horn
| Magic Guide |