This article explains how to raise your Regional Development Level in Arknights: Endfield, including the benefits of increasing your Regional Development Level.
How to Raise Regional Development Level
Ways to Level and Recommendations
| How to Level Up | Recommendation |
| ▼Increase Outpost Prosperity with Trade | ★★★★★ |
| ▼Unlock and Upgrade the Stock Redistributor | ★★★★・ |
| ▼Install and Operate an Electric Mining Rig | ★★★★・ |
| ▼Unlock and Upgrade the Recycling Station | ★★★★・ |
| ▼Unlock and Upgrade the Depot Node | ★★★★・ |
Focus on What You Can Do First
When increasing your Regional Development Level, it’s fine to start with any available actions. Progress can be time-consuming and may require large amounts of trade activity or unlocking specific facilities, so prioritize tasks you can complete immediately.
Increase Outpost Prosperity with Trade

You can efficiently increase your Regional Development Level by conducting Outpost Trade via Menu → Regional Development → Outpost Management, which raises Outpost Prosperity. Trading items produced in the AIC Area also allows you to obtain Stock Bills.
Automated Industry Complex (AIC) Guide
Unlock and Upgrade the Stock Redistributor

Your Regional Development Metric also increases by speaking with Lucky Carrot to unlock or upgrade the Stock Redistribution Terminal. As the Goods level increases, you gain additional benefits, such as a higher purchase limit and access to a wider variety of goods.
Install and Operate an Electric Mining Rig

Installing and operating an Electric Mining Rig increases your Development Metric when you first place it. To place the rig, switch the tab in the upper-left from Explore Mode to AIC Mode.
Unlock and Upgrade the Recycling Station

You can also gain Development Metrics by unlocking and upgrading the Recycling Station. This facility allows you to obtain Aerospace Materials required to expand the Dijiang, making it highly recommended for efficient Dijiang expansion.
Unlock and Upgrade the Depot Node

Using Stock Bills to unlock and upgrade a Depot Node increases your Development Metric. Unlocking a Depot Node expands the depot within the same area and raises the storage capacity for each item type.
Benefits of Raising Development Level
You Can Get Milestone Rewards

Each time your Regional Development Level increases by 1, you can obtain various rewards as Oroberyl and Permit. To get these rewards, be sure to actively raise your level.
Increased Placement Limit and Depot Capacity

As your Regional Development Level increases, the maximum number of each Facility type you can place, the item capacity of your Depot, and your mineral purity will all increase. There are no specific drawbacks to raising your Regional Development Level, so there is no need to intentionally keep it at a certain level.
List of Enhanced Items
- Protocol Capacity (Depot Capacity) Increase
- Rare Mineral Purity (Production Efficiency) Increase
- Placement Limit (Combat Facility) Increase
- Regional Stock Bill Limit Increase
- Zipline Pylon Placement Limit Increase
- At Lv.8, the Regional Transfer is Unlocked
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