Piece of Aerosiderite is in Weapon Ascension material of Genshin Impact.
Description: "Rumors of sea monsters are commonplace in Liyue, since the other-shore is an unknown region that lies outside of Teyvat. Without the protection of the Seven, all that lies beyond is unknown chaos. Only power beyond the order of Teyvat is able to stain the power of Rex lapis black."
| Item Type | Weapon Ascension Material |
| Rarity | 3 Stars |
How to Get Piece of Aerosiderite
There is 1 source to obtain Piece of Aerosiderite.
Crafting Type: Alchemy
Grain of Aerosiderite (x3).
- Source 1: Hidden Palace of Lianshan Formula.
Craft Usage
| Name | Image | Craft Type |
| Bit of Aerosiderite |  | Alchemy |
Weapon Ascension Usage
Piece of Aerosiderite is use for ascension weapons below:
| Weapon Name |
| Crescent Pike |
| Iron Sting |
| Skyrider Sword |
Related Weapon Ascension
| Grain of Aerosidrite | Piece of Aerosidrite |
| Bit of Aerosidrite |  Chunk of Aerosidrite |