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Materials found in the open world respawn in Arknights: Endfield. See when materials respawn in-game and how many materials can be gathered here!

Overworld materials respawn at your server's daily reset time, which is at 4 AM, no matter the server.
Be sure to add these to your daily activities to ensure that you have enough materials to progress your Operators!

Performing a scan in rare gathering sites will reveal the respawn timer of materials and the remaining collection attempts. Players can take advantage of this to track the respawn time of the items they need for progression.
| List of Rare Growths | ||
|---|---|---|
Pink Bolete
|
Red Bolete
|
|
Ruby Bolete
|
Bloodcap
|
|
Kalkodendra
|
Chrysodendra
|
|
Vitrodendra
|
Blighted Jadeleaf
|
|
Rare Growths respawn daily and are used for Operator Progression. Long-Ears normally surround them.
| List of Rare Ores | ||
|---|---|---|
Kalkonyx
|
Igneosite
|
|
Auronyx
|
Umbronyx
|
|
Rare Ores also respawn daily and are used for Weapon Progression. Originium Slugs are normally seen rolling around near them.
| List of Recycled Materials | ||
|---|---|---|
Aerospace Material I
|
Aerospace Material II
|
|
Among the materials you can gather daily are Aerospace Materisls that you can use to upgrade the Dijiang. These can be acquired from Recycling Stations.
Recycling Stations start off as a simple white quaer plate, but once activated, an owl will perch on top of them.
Recycling Station Interactive Map

Suffice it to say, the higher the Exploration Level, the more local materials will grow. This applies to all areas and regions.
While they still grow back daily at 4 AM, the number of materials grown and their maximum capacity will increase along with your Exploration Level.
How to Raise Exploration Level

The amount of Aerospace Materials you can gather is dependent on the level of the Recycling Station from which you acquire them. Be sure to spend Stock Bills to upgrade your Recycling Stations whenever you are able.
Recycling Station Interactive Map

Beginner's Guide |
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| Early Game Tips |
How to Level Up Fast |
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Controller Support |
How to Download |
When Do Materials Respawn?

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