Grain of Aerosiderite

by Admin

The Grain of Aerosiderite is a primary weapon ascension material in Genshin Impact. This page contains information on where to obtain Grain of Aerosiderite and what weapons it can be used for ascension.

Grain of Aerosiderite
Grain of Aerosiderite Grain of Aerosiderite
Item Type Weapon Ascension Materials
Rarity ★★
Obtained From Hidden Palace of Lianshan Formula
Availability Wednesday, Saturday, Sunday
Purchase From Souvenir Shop in Liyue
Other Source Parametric Transformer


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.

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