How to Craft Buck Capsule (A) in Arknights Endfield

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Buck Capsule (A) is a very profitable item to craft in Arknights Endfield‘s Valley IV, but it’s also quite challenging. Making these capsules requires a lot of resources and significant factory space. Setting up a production line for Buck Capsule (A) in Endfield can be complex, so this guide offers a simple, fully efficient chain design to help you get started.

Arknights Endfield Buck Capsule (A) Factory Blueprints

This factory is significantly larger than the Buck Capsule (B) layout in Endfield, and it’s designed with two distinct production lines that utilize the following materials:

  • Double Steel Bottle production line
    • Ferrium Ore→Ferrium→Ferrium Powder→Dense Ferrium Powder→Steel→Steel Bottle
    • Sandflower→Sandflower Powder→Dense Ferrium Powder→Steel→Steel Bottle
  • Ground Buckflower Powder production line
    • Buckflower+Sandflower→Ground Buckflower Powder

We’ll be making all the parts for the Buck Capsule (A) right here in the main factory. This setup will take up about 40% of the space in a fully upgraded base. Because the production process is quite large and complex, we can’t save it as a single blueprint. Instead, we’ll explain each of the two production lines separately.

Steel Bottle Factory Blueprint

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This production line uses 10 Bus Depot Unloaders, which produce 8 Ferrium and 2 Sandflower. Please arrange them according to the diagram and connect them in the following sequences:

  • Ferrium Ore→Refining Unit→Shredding Unit→Grinding Unit→Refining Unit→Moulding Unit
  • Sandflower→Shredding Unit→Protocol Storage Stash→Grinding Unit

Processing Sandflower in a Shredding Unit produces 3 Sandflower Powder every 2 seconds. This means a single Shredding Unit can provide enough powder for 2 Grinding Units, with room left over to store extra powder in a Protocol Stash.

This setup produces 60 Steel Bottles every minute, providing a steady supply for continuous Buck Capsule (A) production.

Ground Buckflower Powder Factory Blueprint

As a big fan of efficient farms, I’m really excited about this Buckflower and Sandflower setup! What’s cool is it’s completely self-sufficient – it doesn’t need any outside help from belts or loaders. It works by just repeating a simple planting unit four times – two units for Buckflowers and two for Sandflowers. It’s a really clean and streamlined design!

Begin by linking one Seed-Picking Unit to two Planting Units. Connect one of the Planting Units to a Shredding Unit, and connect the other back to the Seed-Picking Unit to create a continuous cycle of plants and seeds.

The extra belts shown connecting the planting/seeding areas to storage in the diagram are just for visual appeal and don’t affect functionality.

To make Ground Buckflower Powder, link one Buckflower chain and one Sandflower chain to a Grinding Unit. You’ll need to create two of these setups to produce enough materials for Buck Capsules (A).

Buck Capsule (A) Production Line

With your Steel Bottle and Ground Buckflower Powder production set up, the final step is to link them to a Filling Unit, which then feeds into a Protocol Storage Stash. This setup will create 6 Buck Capsules (A) every minute.

This setup does take up a significant amount of space on your main assembly island. However, it uses very little space on the depot bus. Producing these Buck Capsules (A) will primarily fill the empty central area of your assembly island, freeing up valuable depot bus space for other production lines.

You can save some space by delegating materials production (i.e. Steel, flowers, etc) to production lines in the various Outposts along Valley IV. However, even if you do that, you’ll still need roughly the same number of Depot Bus Unloaders, if not more.

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2026-02-04 17:16