Valley Reboot is the 4th main mission in Arknights Endfield. This walkthrough will guide you through all objectives of the Valley Reboot main quest.
- Starting Location: Valley IV > The Hub
- Quest Giver: Automatically given by Director Qin
- Chapter: Chapter 1 – Process 1
- Requirement: Finished Main Mission 3 – Break the Siege
- Reward: 2 Origeometry, 300 Valley Stock Bills, 700 T-Creds, 5 Intermediate Combat Records, 4 Arms INSP Kits, 400 Operational XP
- Quest Description: Activating the Protocol Resonance Tower will restore pwoer to the Hub Base. Head to the reserved location outside the base and deply the Protocol Automation-Core.
Activate the TP Point
Immediately after Break the Siege, after the cutscene interact with the structure in front of you. This is called a Tele-Protocol Point (TP Point) – these are the fast travel points found in every area, and you can use them to rest and move items from your backpack to the depot.
Go to the base outskirts / Go to the deployment area
Follow the waypoints. Along the way you can collect some plants and fight some enemies. Along the path you automatically get the optional objective “Rescue the trapped UWST crew mates”.
Rescue the trapped UWST crew mates (Optional)
As soon as you get this objective, jump up the rocks to the right and defeat the enemies that surround the crew mate.
He will tell you that two more crew mates “Elafia” and “Forte” are in danger too. For now advance on the main path where the yellow objective markers are.
Make sure you defeat the enemy groups on the main path and you’ll automatically rescue the next crew mate.
Afterward, defeat the next group of enemies on a road leading uphill, then you reach a fork in the road. Instead of taking the left path towards the main objective, take the RIGHT path. There you will see the next crew mate sitting on top of the stairs.
This one is easy to miss. Just approach him, you can also loot the chest behind him.
This solves the optional objective. Now continue towards the yellow objective marker.
Defeat the Landbreaker mob
A large group of enemies waits at the deployment area, defeat them.
Deploy the Protocol Automation-Core
You will meet the UWST Crew, then enter the yellow circle in front of you to place the PAC (Protocol Automation-Core). This is the “starting structure” of your base.
Start power transmissions from the PAC / Plug the power transmission cable into the Relay Tower
Follow the onscreen tutorials to switch between Exploration Mode and “AIC Mode”, which is where you place structures. You need to open your backpack and place the structure (Relay Tower) in your Hotbar. Then place the structure with L1 + Square (PS5) / Number 1-8 (PC).
Now approach the PAC and click “Start Transmission”. This lets you draw power cables from the PAC to your Relay Tower.
Place the Relay Tower at the objective marker, next to where Andre (Owl Man) is standing.
Stand close to it and click “Plug Transmission Cable”. Now your cable from the PAC powers on the Relay Tower! This is how you create a big network of structures around the map going forward.
Transmit power to the Protocol Resonance Tower
Interact with the Relay Tower and click “Start Transmission”. This lets you draw another power cable. Follow the new objective marker that will appear. Place another Relay Tower in the outlined objective spot, roughly 70 meters away, and plug in the cable. Note that power cables can only be drawn within an 80 Meter Distance, they need to be connected from one Relay Tower to the next to create a wide “net” electricity.
Then again Start Transmissions from the second tower, make a third tower in the outlined spot.
Lastly, plug the cable into the tall tower. You get a short cutscene.
After this you unlock the Protosync (Protocol Synchronizer). Open it with Options-Button (PS5) / ESC (PC). This is the “main menu” in the game and you can now view the map with Touchpad (PS5) / M (PC).
Your reward is 2 Origeometry, 300 Valley Stock Bills, 700 T-Creds, 5 Intermediate Combat Records, 4 Arms INSP Kits, 400 XP.
This finishes Valley Reboot main quest in Arknights Endfield.
NEXT: Rally and Unite
For all other Quests refer to Arknights Endfield Walkthrough.














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