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Arknights: Endfield

Unexpected Attack Main Mission Guide

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Arknights Endfield - Unexpected Attack

Unexpected Attack is a Main Mission in the The Long Feud quest series of Arknights: Endfield. Check out how to unlock this mission, its walkthrough, and all its rewards in this guide!

Previous Mission Next Mission
Where Danger Sleeps Deep in the Mire

List of Contents

Unexpected Attack Quest Information

Unexpected Attack Quest Details

Mission Type Main Mission
Quest Line The Long Feud
Chapter Chapter 2 - Process 3
Location Qingbo Stockade, Wuling

Unexpected Attack is the first quest under the The Long Feud mission series. This quest is under Chapter 2 - Process 3 of the main story and is located in Qingbo Stockade.

The Long Feud Quest

How to Unlock Unexpected Attack

Arknights Endfield - Where Danger Sleeps

Unexpected Attack is unlocked after reaching Authority Level or above and completing the Where Danger Sleeps quest.

Where Danger Sleeps Main Mission Guide

Unexpected Attack Walkthrough

  1. Go to Qingbo Stockade
  2. Enter the Monitoring Station
  3. Go Deeper Into the Monitoring Station
  4. Scan the Area and Find the Source of the Voice
  5. Go to the Field Logistics Depot and find Mi Fu
  6. Follow Mi Fu to Qingbo Stockade

Go to Qingbo Stockade

Unexpected 1
Following the last quest, Where Danger Sleeps, you will immediately be requested to head to Qingbo Stockade to locate Tangtang. Follow the prompts and finish the briefing section to proceed.

Where Danger Sleeps Main Mission Guide

Enter the Monitoring Station

Unexpected 2
Continue following the prompts inside the Monitoring Station and continue searching for Tangtang. Defeat any enemy mobs encountered along the way until you encounter your next objective.

Go Deeper Into the Monitoring Station

Unexpected 3

You will head to the 2nd floor of the Monitoring Station, facing more mobs in the process. Defeat these mobs to trigger the next objective.

Scan the Area and Find the Source of the Voice

Unexpected 4

There will be a door behind the mobs you defeated that can be opened with a switch. Use your scanner to detect it and interact with the door to find one of the monitoring personnel hiding.

Go to the Field Logistics Depot and find Mi Fu

Unexpected 5

After conversing with the watchguard, you will be moved forward to the Field Logistics Depot of Qingbo Stockade to locate Mi Fu. Follow the objective prompts to locate her and progress.

Follow Mi Fu to Qingbo Stockade

Unexpected 6
The rest of this mission will have you follow Mi Fu for a short while on the way to the proper area leading to Qingbo Stockade. Once the secret gate is opened, this will open up the rest of the zone!

Qingbo Stockade Exploration Guide

Unexpected Attack Quest Rewards

Total Item Rewards

Total Quest Rewards
#T-CredsImage
T-Creds x4000
#ProtohedronImage
Protohedron x2
#OrigeometryImage
Origeometry x2
#Arms INSP SetImage
Arms INSP Set x2
#Advanced Cognitive CarrierImage
Advanced Cognitive Carrier x1

You will also get 300 Operational EXP for completing this mission.

Arknights: Endfield Related Guides

Main Missions Slim

List of All Main Missions

All Main Chapters and Processes

Prologue
Process: Awakening
Chapter I: Process I - The Broken Lands
Break the Siege Valley Reboot
Rally and Unite Westward into the Vale
Secure Sanctuary Building an Outpost
Through the Haze Fort Showdown
Chapter I: Process II - The Turbid Heavens
Paving the Way Work Preparation
Maintenance Progress -
Chapter I: Process III - Path of Ascension
The Mission Continues Cross the Science Park
Park Way Party Walk in the Park
Mystery in the Building Down the Hill
Shattered Veins Lodespring Crossing
Cradle of Ages Eve of Battle
Chapter I: Process IV - Smoking Embers
Entering the Endgame Counterstrike Brewing
Scaldings of Utjug Frontline Rush
Undying Cinders Temporary Peace
Mysterious Signal Conference of the Four
Work Preparation -
Chapter II: Process I - Lost in the Marsh
Arrival at Wuling Stumbling Into Qingbo Stockade
Destination Wuling -
Chapter II: Process II - The Way of Water
A Glance of Astonishment A Breeze Away
Of Grace and Gentle Might The Surging Tide
Where Danger Sleeps -
Chapter II: Process III - The Long Feud
Unexpected Attack Deep in the Mire
The Flow Splits Course Surging From a Withered Spring
A River Restless in Still Winds Another Wave Comes Crashing In
Ripples Spread Throughout the Flow Purity Reveals the Stubborn Stone
Twas One River That Gave Us Drink -

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