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Developing regions in Arknights: Endfield will yield significant boons and can be done in various ways. Learn how to raise the Regional Development Level and the rewards you can get here!
| Regional Development Management Guides | |
|---|---|
| RDM Main Guide | Stock Redistribution |
| Operator Liaison | Development Level |
| Outpost Management | Environment Monitoring |
| Depot Node Guide | How to Deliver Goods |
List of Contents

The highest source of Regional Development Metrics (or RDM) to level up your Regional Development Level (or RDL) is by connecting to Regional Outposts and increasing their Prosperity Level.
When in a new region, always be sure to find its local outpost, talk to the leader, and help them out to establish the outpost. Then, engage in trading with it to raise its Prosperity Level!

Another good way to rack up on RDM is by completing main and side missions. Progress through the main story, or engage in side missions to help those in need!

If you see an ore vein with glowing spaces, be sure to place a mining rig on it to automatically mine the surrounding ores. Doing so will contribute to your Regional Development Metrics.
Using an electric mining rig will automatically transport your spoils to the depot, but it will need to be powered by electric pylons.

When out and about, check your map for an icon resembling an owl. These are recycling stations, which regularly provide you with materials to level up the Dijiang.
Activating these recycling stations and upgrading them can help increase your Regional Development Level significantly!

Of course, an Endministrator won't be able to develop a region that they do not know. Explore Talos-II's different regions and see what you can discover!
Exploring Talos-II's regions also helps your Regional Development Level grow, so go out there and begin your journey!

The most obvious thing upgrading your RDL will do is upgrade the Protocol Automaton-Core (or PAC) in various ways.
The depot's capacity will expand, as well as the size of its power field, denoted by the holographic yellow border surrounding it. This means more items and more facilities can be built at your home base!

Apart from farming facilities, the limit of the other ones, like ziplines and combat facilities, will also increase. This means your Regional Outposts will be better protected, and you will be able to get around much easier!

Another notable thing that increasing your RDL does is upgrading local resources such as rare ore veins, rare growths, and mining spots. Their purity will increase, and they'll grow much faster, too!
You will be able to gather rarer, purer resources that you can process to create higher-grade materials used to craft higher-grade equipment!

Regional Stock Bills are for various things, such as crafting gear and activating Recycling Stations. With your RDL increased, the limit for Stock Bills will also increase, giving you more leg room.
| Level | Upgrades | Milestone Rewards |
|---|---|---|
| 1 | Unlocks Regional Development | No Upgrades |
| 2 | ・Valley IV: Regional Stock Bill Limit Increase (160K) ・The Hub: Mineral Purity Increase ・The Hub: Protocol Capacity Increase (110) ・The Hub: Zipline Limit Increase (12) ・The Hub: Combat Facility Increase (6) |
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| 3 | ・Valley IV: Regional Stock Bill Limit Increase (320K) ・Valley Pass: Mineral Purity Increase ・Valley Pass: Protocol Capacity Increase (70) ・Valley Pass: Zipline Limit Increase (7) ・Valley Pass: Combat Facility Increase (6) |
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| 4 | ・Valley IV: Regional Stock Bill Limit Increase (720K) ・The Hub: Mineral Purity Increase ・The Hub: Protocol Capacity Increase (150) ・The Hub: Zipline Limit Increase (15) ・The Hub: Combat Facility Increase (8) ・Aburrey Quarry: Protocol Capacity Increase (70) ・Aburrey Quarry: Mineral Purity Increase ・Aburrey Quarry: Zipline Limit Increase (7) ・Aburrey Quarry: Combat Facility Increase (6) |
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| 5 | ・Valley IV: Regional Stock Bill Limit Increase (1.8M) ・Valley Pass: Protocol Capacity Increase (80) ・Valley Pass: Zipline Limit Increase (8) ・Valley Pass: Combat Facility Increase (8) ・Originium Science Park: Protocol Capacity Increase (110) ・Originium Science Park: Zipline Increase (12) ・Originium Science Park: Combat Facility Increase (6) |
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| 6 | ・Valley IV: Regional Stock Bill Limit Increase (3.6M) ・The Hub: Protocol Capacity Increase (200) ・The Hub: Zipline Placement Increase (20) ・The Hub: Combat Facility Increase (10) ・Originium Science Park: Protocol Capacity Increase (110) ・Originium Science Park: Zipline Increase (12) ・Originium Science Park: Combat Facility Increase (6) |
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| 7 |
・Valley IV: Regional Stock Bill Limit Increase (6M) ・Valley Pass: Protocol Capacity Increase (100) ・Valley Pass: Zipline Placement Increase (10) ・Valley Pass: Combat Facility Increase (10) ・Originium Science Park: Protocol Capacity Increase (150) ・Originium Science Park: Zipline Placement Increase (16) ・Originium Science Park: Combat Facility Increase (8) |
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| 8 |
・Valley IV: Regional Transfer Unlocked
・Valley IV: Regional Stock Bill Limit Increase (8.5M) ・Aburrey Quarry: Mineral Purity Increase ・Aburrey Quarry: Protocol Capacity Increase (100) ・Aburrey Quarry: Zipline Placement Limit Increase (10) ・Aburrey Quarry: Combat Facility Increase (10) ・Origin Lodespring: Mineral Purity Increase ・Origin Lodespring: Protocol Capacity Increase (170) ・Origin Lodespring: Zipline Placement Increase (20) ・Origin Lodespring: Combat Facility Increase (8) |
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| 9 |
・Valley IV: Regional Transfer Total Increased (900) ・Valley IV: Regional Stock Bill Limit Increase (13.5M) ・Originium Science Park: Mineral Purity Increase ・Originium Science Park: Protocol Capacity Increase (200) ・Originium Science Park: Zipline Placement Increase (20) ・Originium Science Park: Combat Facility Increase (10) ・Power Plateau: Mineral Purity Increase ・Power Plateau: Protocol Capacity Increase (160) ・Power Plateau: Zipline Placement Increase (16) ・Power Plateau: Combat Facility Increase (8) |
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| 10 |
・Valley IV: Regional Transfer Total Increased (1K) ・Valley IV: Regional Stock Bill Limit Increase (16M) ・Origin Lodespring: Mineral Purity ・Origin Lodespring: Protocol Capacity Increase (220) ・Origin Lodespring: Zipline Placement Increase (25) ・Origin Lodespring: Combat Facility Increase (10) |
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| 11 |
・Valley IV: Regional Transfer Total Increased (1.2K) ・Valley IV: Regional Stock Bill Limit Increase (20M) ・Power Plateau: Mineral Purity Increase ・Power Plateau: Protocol Capacity Increase (200) ・Power Plateau: Zipline Placement Increase (20) ・Power Plateau: Combat Facility Increase (10) |
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| 12 |
・Valley IV: Regional Transfer - Metastorage Transfer Unlocked ・Valley IV: Regional Transfer Total Value Increased (1.5K) ・Valley IV: Regional Stock Bill Limit Increased (30M) |
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The following are the rewards for Regional Development in Valley IV, as well as all the upgrades you get alongside the region's growth.
| Level | Upgrades | Milestone Rewards |
|---|---|---|
| 1 | Unlocks Regional Development | No Upgrades |
| 2 | ・Wuling: Regional Stock Bill Limit Increase (250K) ・Jingyu Valley: Mineral Purity Increase ・Jingyu Valley: Protocol Capacity Increase (150) |
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| 3 | ・Wuling: Regional Stock Bill Limit Increase (420K) ・Wuling City: Mineral Purity Increase ・Wuling City: Protocol Capacity Increase (250) |
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| 4 | ・Wuling: Regional Stock Bill Limit Increase (1.5M) ・Jingyu Valley: Mineral Purity Increase ・Jingyu Valley: Protocol Capacity Increase (180) |
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| 5 | ・Wuling: Regional Stock Bill Limit Increase (3M) ・Wuling City: Protocol Capacity Increase (300) ・Wuling City: Zipline Placement Limit Increase (40) |
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| 6 |
・Wuling: Regional Stock Bill Limit Increase(6.3M) ・Jingyu Valley: Protocol Capacity Increase (210) ・Jingyu Valley: Zipline Placement Limit Increase (25) |
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The following are the rewards for Regional Development in Wuling, as well as all the upgrades you get alongside the region's growth.

Regional Development Management Guide
Stock Redistribution Guide |
Operator Liaison Guide |
Regional Development Level |
Outpost Management Guide |
Environment Monitoring Guide |
Depot Node Guide |
How to Deliver Goods Fast |
- |
How to Raise Regional Development Level

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