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AIC Buildings and Facilities are essential for a functioning factory in Arknights: Endfield. See the list of all buildings and facilities used in AIC Factories, how to unlock them, what products they produce, and more!
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| Facility | Type | How to Use |
|---|---|---|
Refining Unit
|
Processing | Performs high temperature refining of various materials. |
Shredding Unit
|
Processing | Heavy facility that shreds and pulverizes various materials. |
Portable Originium Rig
|
Resourcing | Mining rig for digging up Originium Ore. Does not require power. |
Relay Tower
|
Power | The key power transmission facility that is used to transport power from the main source (AIC PAC) to other Towers, Pylons, and Electric Nexuses. |
Electric Pylon
|
Power | Used to automatically connect machines into the power grid as long as it is within the Pylon's power supply radius. Can be used inside the Core AIC area or in the open world. |
Gun Tower
|
Combat | Continuously fires energy bolts that deal Physical DMG. |
Gearing Unit
|
Processing | A facility that laminates different materials together to create gear components. Important for Operator Gear component creation. |
Medical Tower
|
Combat | Converts electrical power into healinga arts that can treat injured operators nearby. |
Protocol Stash
|
Exploration | Can store items and functions like a chest. When powered, it can deliver stored items into the Depot automatically at set intervals. |
Zipline Pylon
|
Exploration | Used to setup Zipline routes to quickly zip between one zipline to another. You can either select which pylon to go next when available. |
Easy Stash
|
Exploration | Provides direct access to the local Depot even when outside in the wilderness. Must be connected to power though, so you will need to use it near a Pylon or Relay Tower. |
Memo Beacon
|
Exploration | A facility used to post and leave beacon memos for other players to see. It may include icons or special messages that you want other players to see when they chance your beacon in their world. |
LN Tower
|
Combat | Fires special liquid nitrogen (LN) crystals that shatter upon impact to slow the movement speed of enemies in the area of effect. |
Grenade Tower
|
Combat | Launches grenades in a ballistic trajectory. The grenades detonate above ground near enemies and deal area of effect Heat DMG. |
Thermal Bank
|
Power | A facility that accepts batteries or Originium Ores as fuel to convert into electrical power. Must be connected to the power grid to work. The generated power is based on the fuel used. |
Item Control Port
|
Logistics | Limits the type and quantity of items allowed to pass through transport belts. Used in blueprints to mark the type of items to be moved into various transport belt sections. |
Electric Mining Rig
|
Resourcing | Mining rig for digging up Originium and Amethyst Ore. Requires 5 Power and automatically transfers ores to the Depot at set intervals. |
Belt Bridge
|
Logistics | Allows a transport belt to go over another without disrupting the flow of items on both belts. |
Moulding Unit
|
Processing | A facility capable of producing various containers via stamp moulding. Bottles are usually produced here. |
Fitting Unit
|
Processing | A facility capable of processing various parts that can be fitted together. |
Splitter
|
Logistics | Splits the product flow of 1 transport belt to up to 3 transport belts. |
Packaging Unit
|
Processing | A facility for packaging certain power components. Mostly used for batteries, but also for used for other items. |
Filling Unit
|
Processing | Fills containers with various materials. Can also accept fluids. |
Depot Unloader
|
Power | Unloading point attached to the Depot Bus that acts like a source for items from the Depot Storage. Can only be attached to a Depot Bus. |
Depot Loader
|
Power | Loading point attached to the Depot Bus that acts like an intake for items for Depot Storage. Can only be attached to a Depot Bus. |
Planting Unit
|
Processing | A cultivating silo for growing various common plants and crops. Can also be upgraded to have a pipe input for some plants and crops. |
Seed-Picking Unit
|
Processing | A facility that extracts seeds from common crops. Can also be upgraded to have a pipe input for some plants and crops. |
Converger
|
Logistics | Converge product flows of 3 transport belts into a single belt. |
Electric Mining Rig Mk II
|
Resourcing | Mining rig for digging up Ferrium Ore and other minerals. Requires 10 Power and automatically transfers ores to the Depot at set intervals. |
Heavy Gun Tower
|
Combat | Continuously fires Mk II energy bolts with every 4th shot being an empowered bolt. The bolts deal Physical DMG. |
Omnidirectional Sonic Tower
|
Combat | Fires a shockwave that stuns common and advanced enemies within the area of effects. |
Zipline Tower
|
Exploration | An improved version of the Zipline Pylon that allows the creation of zipline routes that pass through multiple Zipline towers in a single trip. |
Surge Tower
|
Combat | Releases electrical arcs that attack enemies. The arc also chains to nearby enemies (up to 2) and deals Electro DMG. |
Sentry Tower
|
Combat | Unleashes long-range attacks that target high-threat enemies first and deal massive Physical DMG. |
Grinding Unit
|
Processing | Performs fine grinding of powdered materials. Mostly processes shredded items and turn them into a finer material. |
Beam Tower
|
Combat | Consumes vast amounts of energy to emit a beam that deals massive Electric DMG to enemies. |
Marsh Gas Mk I
|
Combat | Launches special mist grenades that detonate above ground near enemies. The mist grenade explosion deals area of effect Nature DMG and leaves a mist zone that deals DMG and slows the movement speed of enemies within it. |
HE Grenade Tower
|
Combat | Attacks enemies by launching Mk II grenades along a ballistic trajectory that detonate above ground near enemies. The grenade explosion deals area of effect Heat DMG and leaves a burning zone that deals DMG to enemies within it. |
Fluid Supply Unit
|
Processing | Placed near a lake or other bodies of water to supply fluids into the target area. The fluid outlet must be above the water body. |
Sprinkler
|
Logistics | Connects to a water source to automatically sprinkle water on a target. |
Xiranite Relay
|
Xiranite Industry | An improved Relay Tower exclusively used in Wuling that is used to transport power over long distances. It auto-connects to other Xiranite power facilities within a 80-m radius around it without needing manual connection. |
Xiranite Pylon
|
Xiranite Industry | An improved Electric Pylon exclusively used in Wuling that provides power to any facility within its power supply radius. It auto-connects to other Xiranite power facilities within a 30-m radius without needing to facilitate manual connection. Auto-connects to the PAC within the Core AIC Area. |
Separating Unit
|
Processing | A facility for disassembling various items or extracting liquid from filled bottles. |
Forge of the Sky
|
Xiranite Industry | A facility for making Xiranite-based products. |
Reactor Crucible
|
Processing | A facility for running solid or liquid-state chemical reactions. |
Depot Bus Port
|
Xiranite Industry | A Depot Bus Port that can be deployed in the Core AIC Area. For it to work, it must be connected to other active Depot Bus Sections or Ports. Depot Loaders and Unloaders can be attached to this. |
Depot Bus Section
|
Xiranite Industry | A Depot Bus section that can be deployed in the Core AIC area. For it to work, it must be connected to other active Depot Bus Sections. Depot Loaders and Unloaders can be attached to this. |
Fluid Tank
|
Logistics | Stores a single type of fluid delivered to it via pipelines. |
Pipe Converger
|
Logistics | Converges up to 3 pipelines into a single pipeline. |
Pipe Bridge
|
Logistics | Allows a pipeline to go over another without disrupting the flow of fluids in both pipelines. |
Pipe Splitter
|
Logistics | Splits 1 pipeline into 2 or 3 pipelines to divide fluid flow. |
Pipe Control Port
|
Logistics | Limits the fluid and the quantity of fluids allowed to pass through pipelines. Used in bluprints to mark the type of fluid to be moved through various pipelines. |
Fluid Pump
|
Resourcing | A facility for pumping fluids. Requires 10 Power to work. |

Arknights Endfield has a factory system that allows you to automate the creation of various items in the world, enabling you to hoard lots materials either for selling or crafting.
AIC Factory Buildings are usually divided into different types depending on their purpose. Use these facilities and build them in the world for your benefit!
| Type | Usage |
|---|---|
| Resourcing | Buildings used to mine resources from raw nodes. |
| Logistics | Facilitates movement of materials from building to building. |
| Processing | Buildings responsible for processing raw materials into usable products, whether in a chain or not. |
| Power | Facilitates power delivery and generation so your factory will not stop running. |
| Combat | Deployable buildings responsible for defending or supporting your efforts against your enemies in Talos-II. |
| Exploration | Buildings that aid in transportation and exploration around Talos-II. |
| Xiranite | Wuling-exclusive buildings that uses Xiranite, an ore forged in Wuling. These buildings can only be used in Wuling. |

| Valley IV Progression | ||
|---|---|---|
| Early Game Layout | Mid Game Layout | Late Game Layout |
| Wuling Progression | ||
| Starter Factory in Wuling | ||
| Reactor Expansion Guide | Depot Bus Integration Guide | Belt Integration Guide |
| Resourcing | Logistics | Processing |
| Power | Combat | Exploration |
| Xiranite | - | - |
List of All AIC Buildings

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