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Item Category | Materials |
Item Type | Weapon Ascension Material | |
Rarity | ![]() |
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Domain | Hidden Palace of Lianshan Formula |
In Game Description
A black meteor once fell beyond Liyue’s Sea of Clouds, said to have fallen to vanquish a monster. However, it was stained by powerful tainted blood, so this item no longer possesses the pure power of Rex Lapis.
Usage: Weapon Ascension
Bows
Catalysts
Claymores
Polearms
Swords
How to Get Grain of Aerosiderite
Buy From Souvenir Shop
Xingxi from Mingxing Jewelry, Liyue Harbor sell this material for 4 Geo Sigil. Purchase up to 3 pieces, and the item won’t restock.
![Xingxi in Liyue Harbor Sells 3 Grain of Aerosiderite Xingxi In Liyue Harbor Sells 3 Grain Of Aerosiderite](https://genshindb.org/wp-content/uploads/2021/07/Xingxi-in-Liyue-Harbor-Sells-3-Grain-of-Aerosiderite.jpg)
Domain
Grain of Aerosiderite also can be obtained from Hidden Palace of Lianshan Formula domain in Liyue (Wednesday/Saturday/Sunday).
![Hidden Palace of Lianshan Formula Location in Liyue Hidden Palace Of Lianshan Formula Location In Liyue](https://genshindb.org/wp-content/uploads/2021/07/Hidden-Palace-of-Lianshan-Formula-Location-in-Liyue.jpg)