My Games

What can you do as a free member?

Member benefits illustration

Create your free account today and unlock all our premium features and tools to enhance your gaming experience.

Member benefits illustration

Create your free account today and save articles to your watchlist and get notified when they're updated with new information.

Member benefits illustration

Create your free account today and save your favorite games for quick access later, synced across all your devices.

Member benefits illustration

By creating a Game8 account and logging in, you'll receive instant notifications when someone replies to your posts.

Comment rating feature illustration

By creating a Game8 account and logging in, you can make use of convenient features in the comments section, such as rating and sorting comments.

Premium archive feature illustration

By creating a Game8 account and logging in, you can access Premium articles that are exclusively available to members.

Map tool feature illustration

By creating a Game8 account and logging in, the items you checked on the map tool will be saved.

Site Interface

Guest
Free Member
Article Watchlist
Game Bookmarks
Cross-device Sync
Light/Dark Theme Toggle
User Profiles
Direct Feedback
Comment Rating
Comment Notification
Premium Articles

Game Tools

Guest
Free Member
Interactive Map Access
Interactive Map Pins
Interactive Map Comments
Interactive Map Pins Cross-Device
Check List
Event Choice Checker
Deck Builder Cross-Device
Message Board Notification
Message Board Cross-Device
Build Planner
Stat Calculator
Diagnostic Tool
Weapon/Armor Wishlist
Team Builder
Character Scoring
Tier List Maker

Want more information?Learn more

Find your next guide

Choose a game to explore its walkthrough and guides.

New and Upcoming Releases

Popular Guides

Arknights: Endfield

Old Acquaintance I Mission Guide

Add to Watchlist

✪ Check Game8 Endfield Twitter for daily tips!
★ Exclusive: Endfield's Connection to Arknights
✰ Version 1.6 is out! | Yuanyuan's Blazing Stoves
├ P1: Si (Builds / Teams / Banner)
├ P2: Argent Flow (Builds / Banner)
└ Rerun: Tangtang (Builds | Teams | Banner)

Arknights Endfield - Old Acquaintance I

Old Acquaintance I is an Exploration Mission found in Wuling in Arknights: Endfield 1.2. Check out how to unlock this mission, its walkthrough, and all its rewards in this guide!

List of Contents

How to Unlock Old Acquaintance I

Finish Where Friendship Was Made

Arknights Endfield - Where Friendship Was Made

Old Acquaintance I is unlocked after completing the Where Friendship Was Made quest.

Where Friendship Was Made Quest

Old Acquaintance I Walkthrough

  1. Read the Message From Zhuang Fangyi
  2. Find Tianshi Xi Mo at the Marker Stone Lower Floor
  3. Defeat Enemies
  4. Go to the Institute of Materials Science
  5. Ask the Tianshi in the Institute of Materials Science
  6. Listen In to the Conversations of Nearby Tianshi
  7. Take the Documents That Xi Mo Needs
  8. Go to the Marker Stone and Give Xi Mo the Data
  9. Inspect the Feranmut Heart
  10. Enter the Pass Into the Scroll

Read the Message From Zhuang Fangyi

Arknights Endfield - Read the Message From Zhuang Fangyi
To start the quest, access Baker in the menu and read the message from Zhuang Fangyi.

Find Tianshi Xi Mo at the Marker Stone Lower Floor

Arknights Endfield - Find Tianshi Xi Mo

After conversing with Zhuang Fangyi, head to the Marker Stone Lower Floor to talk to Tianshi Xi Mo. It is recommended to use a Tele-Protocol Point (TP Point) to get there faster.

Marker Stone Interactive Map and Locations

Defeat Enemies

Arknights Endfield - Defeat the Enemies
Enemies will appear during your conversation with Xi Mo. Defeat them to complete this objective.

Go to the Institute of Materials Science

Arknights Endfield - Go to the Institute of Materials Science

After defeating the enemies, you will need to gather materials for Xi Mo in the Institute of Materials Science. It is recommended to use a Tele-Protocol Point (TP Point) to get there faster.

Wuling Interactive Map and Locations

Ask the Tianshi in the Institute of Materials Science

Arknights Endfield - Ask the Tianshi in the Institute of Materials Science
When you arrive at the Institute of Materials Science, ask the Tianshi about Xi Mo's data. To interact with her, simply select Helpful Analyst once close enough.

Listen In to the Conversations of Nearby Tianshi

Arknights Endfield - Listen In to the Conversations
Once your conversation with the analyst is over, you can listen in to conversations to learn more about Xi Mo and his research. Select Listen In when prompted to complete this objective.

Take the Documents That Xi Mo Needs

Arknights Endfield - Take the Documents
You will also need to take the documents that Xi Mo needs for his research. These logs will be marked with either a pointer or a yellow arrow above them.

Go to the Marker Stone and Give Xi Mo the Data

Arknights Endfield - Go to the Marker Stone and Give Xi Mo the Data

Once all of the research is gathered, head back to the Marker Stone to give Xi Mo the data. It is recommended to use a Tele-Protocol Point (TP Point) to get there faster.

Marker Stone Interactive Map and Locations

Inspect the Feranmut Heart

Arknights Endfield - Inspect the Feranmut Heart
With the research in hand, you can now inspect the Feranmut Heart. Select Repair once near the device to complete this objective.

Enter the Pass Into the Scroll

Arknights Endfield - Enter the Pass into the Scroll
Once the Feranmut Heart is repaired, you may now Enter the Pass into the Scroll. After entering, you will find yourself in an ink trail. Enter this too to complete the quest.

Old Acquaintance I Quest Rewards

Total Item Rewards

Oroberyl Oroberyl x75 T-Creds T-Creds x6000 Advanced Cognitive Carrier Advanced Cognitive Carrier x1
Protohedron Protohedron x3 Arms INSP Set Arms INSP Set x2 Operational EXP Operational EXP x300

Old Acquaintance I Quest Information

Old Acquaintance I Quest Details

Mission Type Exploration Mission
Location Marker Stone, Wuling

Old Acquaintance I is a Exploration Mission that's located in Marker Stone. You need to complete the Where Friendship Was Made quest in order to start this quest.

All Exploration Missions

Arknights: Endfield Related Guides

Arknights Endfield Missions

List of All Missions

Mission Lists by Type

Mission Types in Arknights: Endfield
Main Missions Side Missions Exploration Missions
Operator Side Missions Commissions Daily Tasks

All Wuling Exploration Missions

Always Running Beyond the Worlds' Expanse III Beyond the Worlds' Expanse IV
Burdenbeast Tales Cliffside Riddles of Steel Comrades - Commemoration
Comrades - The Nameless Comrades: For Tomorrow Comrades: Remembrance
Divvy Up the Trouble Fan Meet Fissure Filling and Land Grouting
Innovate to Cultivate Long Night Breaking into Day No Margin for Error
OD Project - Remediation Station I OD Project - Remediation Station II OD Project - Remediation Station III
OD Project - Sky King Flats I OD Project - Sky King Flats II OD Project - Sky King Flats III
Old Acquaintance I Old Acquaintance II Pillars of Destiny
Silent Grove - Epilogue Silent Grove - South Hill Silent Grove - The Beginning
Silent Grove - Zhailing Islet Store by the Corner I Store by the Corner II
Store by the Corner III Tainted Waters Template Recovery
The Bell Tolls The Old Man and the Tide I The Old Man and the Tide II
Three Swords of Mastery Treasure Beneath the Pond

All Exploration Missions

Comment

Post (0 Comments)

Author

Follow the Game8 Endfield Twitter for daily tips!
    Leave feedback(Login required)
    Tell Us More About You!

    Premium Articles

    All Premium Articles

    Rankings

    • We could not find the message board you were looking for.

    Gaming News

    Popular Games

    Recommended Games

    All rights reserved

    Copyright © 2022 - 2025 GRYPHLINE. All Rights Reserved.

    The copyrights of videos of games used in our content and other intellectual property rights belong to the provider of the game.
    The contents we provide on this site were created personally by members of the Game8 editorial department.
    We refuse the right to reuse or repost content taken without our permission such as data or images to other sites.

    Arknights: Endfield Walkthrough & Guides Wiki

    Quick Access
    Guide Index

    Tier Lists and Meta Guides

    Premium Articles

    Tools

    Redeem Codes

    Recommended Guides

    Characters Guides

    All Character Builds

    All Character Team Comps

    All Upcoming Characters

    All Non-Playable Characters

    Characters By Rarity

    Characters by Role

    Characters by Weapon

    Characters by Element

    Characters by Gender

    Characters by Race

    Weapons

    Weapons by Type

    Weapons by Rarity

    Interactive Map

    OMV Dijiang

    Valley IV

    Wuling

    Blueprints

    AIC (Factory)

    AIC Tips and Tricks

    AIC Facilities by Type

    All Missions

    All Main Missions

    All Side Missions

    All Operator Side Missions

    All Exploration Missions

    All Commissions

    Items

    Banners

    Contingency Contract

    Etchspace Salvage

    Umbral Monument

    Those Forsaken By the Land

    Inorganic Construct

    Searing Scars

    Turbidity Manifest

    Contention of Deathly Silences

    Howlers of the Crag

    Marked by Dark Shadows

    Murmurs of the Deep Forest

    Echoes of War

    Delver of the Cryptic

    Cryptic First Revealed

    Grotto Survey

    Artful Realm of Six Cardinals

    Fade Beyond the Painting

    Gear and Gear Sets

    Gear by Type

    Gear by Rarity

    Regional Development Guides

    Events

    Bosses

    Enemies

    Message Boards

    Tips and Tricks

    Achievements

    Latest News and Updates