Chunk of Aerosiderite

Chunk of Aerosiderite

To farm Chunk of Aerosiderite, you need to complete Hidden Palace of Lianshan Formula, a Domain of Forgery located in Liyue.

Chunk of Aerosiderite is rewarded for finishing Hidden Palace of Lianshan Formula—Domain of Forgery: Trial Grounds of Thunder IV, and you can receive between zero to one of them per run.

To enter Hidden Palace of Lianshan Formula IV, you need to be Adventure Rank 40. It is recommended to have your party about Level 80 and characters that use Cryo and Pyro.

Hidden Palace of Lianshan Formula is northwest of the Statue of the Seven south of Mingyun Village.

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Hidden Palace of Lianshan Formula location

Hidden Palace of Lianshan Formula rotates the rewards you get based on what day of the week it is.

On Mondays and Thursdays, the domain is called Trial Grounds of Thunderand you can get the Chunk of Aerosiderite Weapon Ascension Material.

On Sunday, you can choose whatever domain you desire.

To complete Trial Grounds of Thunder IV, you must kill 8 enemies within 480 seconds.

  • The 8 enemies to eliminate:
    • Large Electro Slime x4
    • Mutant Electro Slime x2
    • Fatui Electro Cicin Mage x2

Due to the Electro enemies, it is wise to bring along characters that inflict Pyro and Cryo Damage.

When inside a Domain of Forgery you are inflicted by a Ley Line Disorder. This is a debuff that is never removed throughout the duration of the Rift.

In Trial Grounds of Thunder IV, you have the following Ley Line Disorder:

Your character will be periodically inflicted with Engulfing Storm, continuously draining your Energy until the inflicted Electro element is removed.

Lightning bolts will periodically fall from above, dealing Electro Damage and completely draining the hit character's Energy. Lightning bolts may leave balls of lightning.

If you have completed the domain successfully, to claim the rewards, you need to spend 20 Original Resin or use a Condensed Resin to receive double. You do not have to claim the rewards if you choose not to do so.

When Khaenri'ah was destroyed, a great sinner created endless monsters with alien, dark blood flowing through their veins. They rampaged across the land, destroying all in their paths. Their lives were mutations, caused by powers beyond this world. The black serpentine dragon Durin that attacked Mondstadt was such a mutation.

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Rarity 5
Type Weapon Ascension Material


Using an Alchemy Table. You can turn lower tier materials into higher tier materials.

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These are the other tiers for this Ascension Material