|Item Type||Weapon Ascension Material|
|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
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.
Grain of Aerosiderite also can be obtained from Hidden Palace of Lianshan Formula domain in Liyue (Wednesday/Saturday/Sunday).