A VERY Special Thanks goes to the BFEE Discord Codebreakers who helped out a lot with this guide.
If you require assistance with the Peacekeeper questline, go to the [#easteregghelp] channel through this link:   / discord   They will help guide you, but they will not do the requirements for you.

The most common requests for assistance are usually (you will have to take pictures/film following the rules provided):
A Beginning Generating a symbol location from the morse codes for Stages 18
A Conflict Mapping out the 12 sandbag positions
An Omen Generating the 8 missing letter solution
An Escalation Translating the 5 letter code from the radio morse

Featured Playlists:

   • Battlefield 1's Peacekeeper (Easter E...   Walkthroughs of all 7 Requirements (No Commentary)

   • Battlefield 1’s Peacekeeper  ‘A Conf...   'A Conflict' Dogtag Playlist featuring multiple tutorials and guides

https://tools.bfee.co/morse BFEE Tools (Morse Translator, A Conflict Solver, An Omen Solver)

The Universal Codes

Angel Sighting:

0
6 . . . .
2 . .
7 . . .

0
3 . . .
2 . .
2 . .
2 . .
1 .
1 .
0

An Escalation:

CAEEB XXXXX FEAADDAD [Your 5 letter code replaces the X's]

Passchendaele Mines:

LLR RL RLR RL RRR LRR LR RLLL LRLL L Translates to 'Unknowable' in morse

W E S W E W W N S W N W S W S

Timestamps

0:00 Introduction
9:07 Belly of the Beast
12:57 Angel Sighting
19:04 An Omen
28:57 A Conflict
50:04 A Beginning
1:05:46 An Escalation
1:14:59 Passchendaele Mines
1:25:28 Bonus A Conflict Floorlight Puzzle Walkthrough

Sources

General:
https://wiki.bfee.co/index.php?title=... (BFEE Wiki)
https://wiki.gamedetectives.net/index... (Game Detectives' Wiki)

An Omen:

https://tools.bfee.co/omen An Omen Solver

https://imgur.com/a/bfeeomeneaster... BFEE An Omen Imgur Album

https://docs.google.com/presentation/... OreoFlavored's An Omen Slides

A Conflict:

https://tools.bfee.co/conflict A Conflict Candle Solver

   • CONFLICT EASTER EGG COMPLETE GUIDE  ...   Jango22's A Conflict Video Guide

   • Battlefield 1’s Peacekeeper  ‘A Conf...   'A Conflict' Dogtag Playlist featuring multiple tutorials and guides

https://docs.google.com/spreadsheets/... Floorlight Puzzle Spreadsheet Solver

A Conflict BFEE Sources:
https://imgur.com/gallery/Zsnxn2z Imgur Album #1
https://imgur.com/a/0EZg5zX Imgur Album #2
https://i.imgur.com/qB2oyiZ.png Courtyard & Floortile grid
https://i.imgur.com/kt8YCQp.png Blank sandbags/button grid
https://imgur.com/a/KFJE1ZO Chateau Light Tile Puzzle Diagrams & Explanations

https://docs.google.com/presentation/... OreoFlavored's A Conflict Slides

A Beginning:

You do not have to go to Suez specifically to pick up the headphones. You can choose (most) of the Vanilla maps, but two of the other popular maps are Ballroom Blitz and Amiens. https://wiki.gamedetectives.net/index...

https://bf1morse.leonlarsson.com/ Mozzy's Morse Solver

Stage Colors (Mozzy)
Stage 1 White
Stage 2 Yellow
Stage 3 Purple
Stage 4 Green
Stage 5 Clear
Stage 6 Gold
Stage 7 Pink
Stage 8 Lime
Stage 9 Teal (Cyan)

   • BF1  A Beginning: All Symbol Locations   BFEE All 27 Symbol Locations

https://docs.google.com/presentation/... OreoFlavored's A Beginning Slides

An Escalation:

CAEEB XXXXX FEAADDAD [Your 5 letter code replaces the X's]

https://imgur.com/a/qUMGe7N BFEE Imgur Album

https://i.imgur.com/1BA3MIU.png BFEE An Escalation Diagram

The Final Light Switch remains active for 5 seconds. Anyone who clicks interact with it during this time will be awarded the skin; it is the only requirement that can be claimed by multiple people in one server.

Passchendaele Mines (Labyrinth):

Requirements:
Front side: Beginning, Conflict, Omen
Weapon skin: Escalation
Back side: Angel Sighting, Belly of the beast
You must have a front side, back side, and weapon skin equipped for the finale. Both variants of the M1917 MG will work.

Misc:

   • Battlefield 1  Unlocking Peacekeeper...   @kmancometh Manual solving for ciphers in A Beginning

https://www.instagram.com/brokenhelme... Thumbnail and Passchendaele Mines photo provided by Brokenhelmet

Music

Infirmary Theme Jack Wall [Call of Duty: Black Ops 4] (Blood of the Dead)
(No Official Link available)

Il Treilo Ennio Morricone [The Good, The Bad, and The Ugly] (1966)
   • The Trio  Il Triello (From "The Good...