Fire Emblem: Three Houses - Chapter 15 – Valley of Torment Story Walkthrough

A story walkthrough for Chapter 15 - Valley of Torment in Fire Emblem: Three Houses, including a strategy guide for the mission battle, Ambush at Ailell.

Fire Emblem: Three Houses - Walkthrough and Strategy Guide

Chapter 15: Valley of Torment

Characters

Characters
BylethByleth Seteth

Character List

Walkthrough: Garreg Mach (Pegasus Moon)

1 Talk to Seteth and Flayn.
2 Finish seminars and side missions before reaching the last day of the month.
3 Do the “Ambush at Ailell” main mission.
4 Choose “It’s an enemy raid” and “We must break through” for the conversation choices.

Mission Battle: Ambush at Ailell

Battle Objectives

Victory Condition Defeat the enemy commander.
Defeat Condition All of your units fall in battle, or Judith is defeated.

Edelgard Story Route Units

Player Unit Battalion Used
BylethByleth
Seteth
Fire Emblem: Three Houses - Shamir IconShamir
Flayn
BernadettaBernadetta
Linhardt
DorotheaDorothea
CasparCaspar
Petra
FerdinandFerdinand

Claude Story Route Player Units

Ally Unit Battalion Used
BylethByleth
ClaudeClaude
Lorenz
Hilda
Raphael
Ignatz
Marianne
Lysithea
Leonie
Seteth
Flayn

Ally Units

Ally Unit Battalion Used
Judith
Alliance Soldiers (Armored Knight)

Enemy Units

Enemy Unit Battalion Used
Gwendal
Ashe
Kingdom Soldiers (Armored Knight)
Kingdom Soldiers (Paladin)
Kingdom Soldiers (Sniper)
Kingdom Soldiers (Fortress)
Kingdom Soldiers (Bishop)

Obtainable Items

Item Location
Concoction Drop from one of the Imperial Soldiers (Paladin)

Ambush at Ailell Strategy

1) Advance towards Gwendal

Valley of Torment

Due to the lava floor located in different parts of the map, it is quite difficult for your ground-type units to maneuver. It is recommended that you have at least two or three flying units in your party in order to get to Gwendal faster. However, there are a few enemy sniper units on the battlefield, so have your cavalry with terrain resistance eliminate these units before they can attack your flying allies.

Near the end of the battle, Judith will appear in the top right corner of the map. This corner, while accessible, is quite far from the location of Gwendal. It is best that you defeat Gwendal as fast as possible using Seteth or Byleth before the enemies can take out Judith.

← Chapter 14: A King Without a Kingdom Chapter 16: The Rose-Colored River →

Other Walkthroughs

Part 1: White Clouds (All Story Routes)
Prologue: Inevitable Encounter Chapter 1: Three Houses
Chapter 2: Familiar Scenery Chapter 3: Mutiny in the Mist
Chapter 4: The Goddess’ Rite of Rebirth Chapter 5: Tower of Black Winds
Chapter 6: Rumors of a Reaper Chapter 7: Field of the Eagle and Lion
Chapter 8: The Flame in the Darkness Chapter 9: The Cause of Sorrow
Chapter 10: Where the Goddess Dwells Chapter 11: Throne of Knowledge
Part 2: Silver Snow (Church of Seiros - Garreg Mach Monastery/Rhea Route)
Chapter 12: To War Chapter 13: Reunion at Dawn
Chapter 14: A King without a Kingdom Chapter 15: Valley of Torment
Chapter 16: The Rose-Colored River Chapter 17: The Impregnable Fortress
Chapter 18: The Chaos of War Chapter 19: Conclusion of the Crossing Roads
Chapter 20: The City Without Light Chapter 21: Following a Dream
Part 2: Crimson Flower (Black Eagles - Edelgard Route)
Chapter 12: Outset of a Power Struggle Chapter 13: Beyond Escape
Chapter 14: The Master Tactician Chapter 15: Tempest of Swords and Shields
Mission Chapter: A King without a Kingdom Chapter 16: Lady of Deceit
Chapter 17: Field of Revenge Chapter 18: To the End of a Dream
Part 2: Azure Moon (Blue Lions - Dimitri Route)
Chapter 12: To War  Chapter 13: Reunion at Dawn
Chapter 14: The Delusional Prince Chapter 15: Valley of Torment
Chapter 16: The Rose-Colored River Chapter 17: Blood of the Eagle and Lion
Chapter 18: The King’s Triumphant Return Chapter 19: Golden Deer’s Plea
Chapter 20: The Impregnable Fortress Chapter 21: Our Chosen Paths
Chapter 22: Oath of the Dagger -
Part 2: Verdant Wind (Golden Deer - Claude Route)
Chapter 12: To War  Chapter 13: Reunion at Dawn
Chapter 14: The Alliance Leader's Ambition Chapter 15: Valley of Torment
Chapter 16: The Rose-Colored River Chapter 17: Blood of the Eagle and Lion
Chapter 18: The Golden Scheme Chapter 19: The Chaos of War
Chapter 20: Conclusion of the Crossing Roads Chapter 21: The City Without Light
Chapter 22: Fodlan's New Dawn -

Fire Emblem: Three Houses Recommended Article List

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Dialogue Choices Lecture Room Advice Box
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List of Characters Ingrid Tea Party Guide Recommended Characters to Recruit
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6 Comments

  1. I was wondering where Ashe went. I recruited him and had B support level. After the 5 year skip he was nowhere to be found… I though he couldn’t be recruited or something. I’ll make sure to defeat him with the Mc.

  2. I’m playing the Black Eagles route but I’ve wanted to recruit Ashe since the beginning of the game. Is there any way to recruit him or you have to kill him?

    • As far as I can tell, there’s is no new recruiting once you get to part two. There are some characters that if you recruited them in part one, they still come back as an enemy in part two, but once you beat them if gives you a choice to recruit them, but most just come back immediately once you start part two. In my golden deer play through I tried to get just about everyone of my units to talk to Ashe, but none could, and I eventually pinned him against a wall so he couldn’t really attack my units and I didn’t kill him, hoping if I ended the map with him still alive I could recruit him after, but he still disappeared after just like if I had killed him.

      • If you want to save Ashe, it only works if you recruited him during the school phase then with Byleth (mc) defeat him then it’ll allow you to persuade him into rejoining same with other units

    • If you recruited him during school phase beat him with mc (Byleth) and you should be able to persuade him into rejoining