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Reactor Expansion is a simulation factory tutorial in Arknights: Endfield. Learn how to solve this simulation, the solution to only using 3 Reactor Crucibles, and more!
List of Contents
| Solution | |
|---|---|
| 1 | ![]() Connect the left Shredding Unit containing Yazhen Powder to the Reactor Crucible. You can follow the path set by the game. |
| 2 | ![]() Connect the Reactor Crucible's output pipes to each of the two Filling Units below it. You can follow the path set by the game.. |
| 3 | ![]() Inspect the Reactor Crucible and set the output solutions. Assign one output to the Yazhen Solution, and the other to the Jincao Solution. Once set, wait until the simulation continues. |
| Solution | |
|---|---|
| 1 | ![]() First, you must stash two of the Reactor Crucibles on this side of the map. We recommend removing the leftmost and rightmost Reactor Crucibles, leaving only the ones in the center. |
| 2 | ![]() After stashing the two Reactor Crucibles, look for the Fluid Pumps to the right of the map. Connect one Fluid Pump to each of the Reactor Crucibles. If you find your pipes too short, use a Pipe Splitter to extend them. |
| 3 | ![]() Look for the hanging conveyor belts and connect them to a nearby Reactor Crucible. Make sure to use Belt Bridges as your conveyor belts will intersect. |
| 4 | ![]() |
| 5 | ![]() After you've assigned outputs for the solutions, connect each fluid output to a nearby Filling Unit. Once the outputs are connected, wait a bit until the simulation is cleared. |

| Valley IV Progression | ||
|---|---|---|
| Early Game Guide | Mid Game Guide | Late Game Guide |
| Wuling Progression | ||
| Starter Factory in Wuling | ||
| All Facility Types | |
|---|---|
| Resourcing | Logistics |
| Processing | Power |
| Combat | Exploration |
| Xiranite | |
Reactor Expansion Simulation Guide

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