Lostbelt No.6.5: Traum Spoiler-free Walkthrough

Article by NorseFTX

Table of Contents

Introduction
Walkthrough

Back to Lostbelt 6.5: Traum Hub

Additional Guides

Lostbelt 6.5 Traum

Lostbelt No.6.5: Realm of the Thanatos Impulse, Traum - Life and Death of an Illusion

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Lostbelt No.6.5: Traum Spoiler-free Walkthrough

Lostbelt 6.5: Traum - Boss Guides

Event Quests

Traum - Main Quests

Traum - Free Quests

Introduction

The spoilers in this walkthrough are limited to what enemies you will face in a particular node.
Every major boss and Servant encounter is initially hidden. Hover over unknown icons to see what mob/Servant is hidden via its hyperlink.
Press the New Monster Information or Boss Information headers to see specific spoilers, advice and/or tips.
Traum is a story heavy experience where many of the encounters are more meaningful through experiencing the story. Try not to rush through it!
Break Bars are a standard feature once again.
A full Main Story clear for this section requires 694 AP.
Story length estimates are courtesy of the Atlas Academy DB. The entire story length is estimated to be approximately a 6 hour and 34 minute read.
Spotted an error, have a question, or ideas to improve the guide? Feel free to drop a comment in the comments section below!
Have fun and enjoy the story!

Walkthrough

Filler

Easy

Moderate

Hard

Very Hard

Node

Enemy Classes

Enemies & Difficulty

Notes

Prologue

Story only.
Story: ~4min read

St. 1-1

Story only.
Story: ~16min read

St. 1-2

Story only.
Story: ~7min read

St. 2

Party Restriction: Mandatory NPC Support, 3 max Servants
Two Assassins (207k, 323k HP) who start off NP Sealed.
Story: Pre-battle ~6min read
Post-battle ~4min read

New Monster Information

Enemy	Class	Notes
		A new enemy approaches! Masters should be ready to see many of these enemies, across the seven basic Classes. Note these enemies count as Servants for trait-based skill or NP purposes. The Assassin version can apply a 1-turn Evade, and their NP hits a single target with a low chance of Death. These drop the new Ascension Material: !

St. 3

Story only.
Story: ~4min read

St. 4-1

Story only.
Story: ~4min read

St. 4-2

Party Restriction: NPC Solo
A single wave with a Saber (90k), Assassin (52k) and Berserker (57k HP).
Enemies start with max NP Gauge.
Every even turn, all enemies' NP Gauge are drained by 1.
At the start of every odd turn, all enemies' ATK/DEF and HP get a small debuff.
Story: Pre-battle ~2min read
Post-battle ~3min read

New Monster Information

Enemy	Class	Notes
		A new enemy approaches! The Saber and Berserker versions will appear in this encounter. Saber: Can buff own ATK/DEF, and their NP ignores DEF before dealing damage to a single target. Berserker: Buffs own ATk while debuffing own DEF, and their NP hits ST and debuffs DEF. These also drop the new Ascension Material: !

St. 5

Party Restriction: NPC Solo
A single wave with an Archer (49k), Rider (92k), and Assassin (58k HP).
Note that Master Skills will be different during this encounter.
The enemies will receive a random buff at the start of the battle of Crit Rate, NP Damage, DEF, or Max HP.
Story: Pre-battle ~8min read
Post-battle ~2min read

New Monster Information

Enemy	Class	Notes
		A new enemy approaches! The Archer and Rider versions will appear in this encounter. Archer: Can apply Sure Hit and debuff resist buffs to self, and NP hits ST while draining 30% NP Gauge. Rider: Can apply Damage Plus and Damage Cut buffs to self, and NP hits ST while debuffing ATK. These also drop the new Ascension Material: !

St. 6-1

Story only.
Story: ~10min read

St. 6-2

Party Restriction: NPC Solo
A single wave with an Assassin (78k) and Archer (124k HP).
The NPC will start with 3 stacks of minor ATK buffs, and enemies start with a DEF debuff and Terror.
Story (Post-battle): ~2min read

St. 7-1

Story only.
Story: ~4min read

St. 7-2

Party Restriction: NPC Solo
A single wave with three Casters (62-72k HP).
Note that the NPC Support has the ability to remove buffs when normal attacking.
Every even turn, a random enemy can gain a buff that inflicts Stun when normal attacking. Target that enemy to remove the buff before it attacks.
Story: Pre-battle ~1min read
Post-battle ~4min read

St. 7-3

Story only.
Story: ~6min read

St. 7-4

Story only.
Story: ~6min read

St. 7-5

Party Restriction: 3 Servants (including Support) allowed
This battle needs to be completed in 4 turns or the encounter is lost.
A single wave with a Saber, Archer, and Lancer (82-159k HP).
The party will gain various minor beneficial effects during each turn.
Note at battle start enemies gain a random buff, one of which can be a 1-hit 50% DEF boost; it may be better to deplete this buff with an attack before launching NPs.
Story: Pre-battle ~1min read
Post-battle ~3min read

St. 7-6

Party Restriction: Mandatory Frontline NPC, Max 3 Servants
A total of 9 Assassins in a single wave (25-144k HP).
The NPC starts with a DEF Buff.
Note each enemy has a buff that activates when normal attacking, one of them including Skill Seal and NP Seal effects.
Story: Pre-battle ~2min read
Post-battle ~2min read

St. 7-7

Party Restriction: Mandatory Frontline NPC, Max 3 Servants
A Saber (144k), Archer (129k), and Lancer (147k HP).
The NPC gains max NP gauge every turn.
Note this must be cleared within 5 turns.
Story: Pre-battle ~1min read
Post-battle ~2min read

St. 7-8

Party Restriction: Mandatory Frontline NPC, Max 2 Servants
An Archer (148k) and Assassin (147k HP).
The NPC starts with unlimited Guts, while the other ally will be stunned for 1 turn at battle start.
Enemies start with max NP Gauge.
Story: Pre-battle ~2min read
Post-battle ~4min read

St. 7-9

Story only.
Story: ~9min read

St. 8-1

Story only.
Story: ~7min read

St. 8-2

Story only.
Story: ~7min read

St. 9-1

A single wave with three Lancers (136-154k HP).
Allies will gain 2-hit evade and a max HP / Debuff Immunity buff.
Story: Pre-battle ~2min read
Post-battle ~1min read

St. 9-2

A single wave with three Assassins (129-191k HP).
Enemies will be inflicted with Skill + NP Seal, and allies will gain a minor Max HP and Debuff Immune buff.
Story: ~2min read

St. 9-3

A single wave with two Casters (172-266k HP).
Enemies gain a random buff of Crit Rate/NP Damage/Max HP/DEF, while allies will gain a minor Max HP and Debuff Immunity buff.
Story: Pre-battle ~1min read
Post-battle ~2min read

New Monster Information

Enemy	Class	Notes
		A new enemy approaches! The Caster version appears in this encounter. These can charge their NP gauge by 1 and buff their NP damage, and their NP hits ST and inflicts a delayed debuff that can stun allies aside from the target. These also drop the new Ascension Material: !

St. 9-4

Dialogue Option: Choose 1st Option to select Support of choice.
Choose 2nd Option for mandatory Diarmuid Saber NPC Support.
A single wave with three Berserkers (70-318k HP).
Story: Pre-battle ~3min read
Post-battle ~1min read

St. 10-1

Story only.
Story: ~6min read

St. 10-2

Party Restriction: Mandatory Frontline NPC
Two waves, the first with three Archers (32-48k HP), and the second with a large Archer (254k HP).
The NPC Support starts with an ATK/DEF buff and gains max NP Gauge on turn 3.
Story: Pre-battle ~5min read
Post-battle ~2min read

St. 10-3

A Berserker (403k HP) with three stacks of Guts (50% HP revival).
A random Servant will be inflicted with Taunt at the start of each turn if Taunt isn't already active.
The battle ends automatically after depleting 3 Guts stacks.
Story: Pre-battle ~1min read
Post-battle ~3min read

St. 11-1

Story only.
Story: ~9min read

St. 11-2

Party Restriction: 2 Mandatory Frontline NPCs
This is an endurance battle that ends after 5 turns.
A total of 50 enemies in a single wave of mixed Saber, Lancer, and Assassin class (33-85k HP).
Story: Pre-battle ~3min read
Post-battle ~1min read

St. 12-1

A semi scripted battle against an Assassin (450k HP), where all allies and enemies have perma-Guts.
The battle ends when any Guts triggers.
Story: ~6min read

St. 12-2

A lone Berserker (263k HP).
Story: Pre-battle ~4min read
Post-battle ~1min read

St. 12-3

Three waves, the first with two Casters (35-39k HP), the second with a Caster (74k HP), and the third with a Caster (129k HP).
Story: ~3min read

St. 12-4

Dialogue Option: Changes encounter enemy composition.
Option 1: A single wave with 3 enemies, Lancer, Berserker and Caster (117-210k HP).
Option 2: A single wave with 6 enemies: five Riders (48-53k HP) and a Berserker (204k HP).
Story: Pre-battle ~4min read
Post-battle ~1min read

St. 13-1

A single wave with a Saber, Lancer, and Rider (126-195k HP).
The party starts with 99 Crit Stars but is NP sealed.
The Rider also will be defeated before allies take action on the first turn.
Story: ~5min read

St. 13-2

Miniboss encounter!
Click on Boss Information below for specifics.
Story: Pre-battle ~2min read
Post-battle ~1min read

Miniboss Information

Enemy	Class	Notes
		A single wave with a break bar Caster (256k, 304k HP) and 15 Riders (31-34k HP). Up to 6 enemies are on field at once. Only the Caster needs to be defeated. Allies gain 2-time Debuff Immunity, and a field effect will kill one enemy each turn.

St. 13-3

Story only.
Story: ~3min read

St. 13-4

Story only.
Story: ~14min read

St. 14-1

Story only.
Story: ~9min read

St. 14-2

Story only.
Story: ~6min read

St. 14-3

Story only.
Story: ~4min read

St. 14-4

St. 14-5

Three waves of three enemies each, with mixed Lancer, Berserker, Archer, and Casters (35-85k HP).
Masters have access to a special Mystic Code for this encounter.
Allies will gain a Quick buff for this fight.
Story: ~2min read

St. 14-6

A single wave with 11 enemies of mixed Caster and Berserker class (32-63k HP).
Enemies lose 5k HP each turn and allies gain 25 Stars and 1k HP recovery.
Story: ~2min read

St. 14-7

A survival battle with 21 Riders (39-93k HP).
Battle ends after 5 turns.
Enemies will start with max NP Gauge and gain max NP Gauge every turn.
Note the enemies' NP hits a single target.
Story: Pre-battle ~1min read
Post-battle ~1min read

St. 15-1

Miniboss encounter!
Click on Boss Information below for specifics.
Story: Pre-battle ~6min read
Post-battle ~1min read

Miniboss Information

Enemy	Class	Notes
		A two waves, the first wave with 8 mixed Assassin and Caster enemies (25-51k HP), and the second with a break bar Berserker (201k, 412k, 1M HP). Battle ends after breaking the Berserker's second HP bar.

St. 15-2

An endurance battle with 1500 enemies of all basic classes (44-101k HP).
Battle ends in 5 turns.
Note all allies will get a 1-time Guts status.
Enemies will immediately come in from the backline on the same turn.
Story: Pre-battle ~4min read
Post-battle ~3min read

St. 16-1

Story only.
Story: ~5min read

St. 16-2

Party Restriction: Mandatory Frontline NPC
A single wave with two Lancers and a Rider (113-189k HP).
All enemies start stunned, while all allies gain 1-time Debuff Immunity.
Story: Pre-battle ~1min read
Post-battle ~1min read

St. 16-3

Story only.
Story: ~3min read

St. 17-1

Story only.
Story: ~3min read

St. 17-2

Story only.
Story: ~6min read

St. 17-3

Story only.
Story: ~5min read

St. 17-4

Party Restriction: NPC Solo
A single wave with a Saber and Archer (83-137k HP).
The NPC has permanent Damage Cut, HP Drain, and Mental Debuff Immunity buffs.
Story: Pre-battle ~4min read
Post-battle ~1min read

St. 17-5

Party Restriction: NPC Solo
A lone Assassin (301k HP).
The NPC has the same buffs as before.
The enemy has a 2-hit Evade and Crit Rate buff, while it has a DEF debuff.
Story: Pre-battle ~1min read
Post-battle ~2min read

St. 17-6

Story only.
Story: ~4min read

St. 18-1

Miniboss encounter!
Click on Boss Information below for specifics.
Story: Pre-battle ~4min read
Post-battle ~4min read

Miniboss Information

Enemy	Class	Notes
		Party Restriction: 4 Mandatory NPCs A break bar Lancer (201k, 283k HP), accompanied by a Lancer, Saber, Caster, Berserker, and Assassin (32-55k HP). Masters have access to a special Mystic Code for this quest.

St. 18-2

Story only.
Story: ~8min read

St. 19-1

A battle with a total of 99 enemies among all basic classes (30-107k HP).
Defeat 10 enemies within 7 turns to clear the encounter.
Story: ~4min read

St. 19-2

A total of 99 enemies among all basic classes (33-88k HP).
Defeat 10 enemies within 7 turns to clear the encounter.
Story: ~1min read

St. 19-3

A total of 99 enemies among all basic classes (32-105k HP).
Defeat 10 enemies within 6 turns to clear the encounter.
Story: Pre-battle ~2min read
Post-battle ~1min read

St. 19-4

A total of 99 enemies among all basic classes (31-104k HP).
Defeat 10 enemies within 6 turns to clear the encounter.
Story: Pre-battle ~3min read
Post-battle ~5min read

St. 19-5

Story only.
Story: ~5min read

St. 20-1

A single wave of six enemies with mixed Saber, Archer, and Lancer class (45-120k HP).
Enemies start Skill + NP Sealed for 3 turns except Saber enemies.
Must clear within 6 turns.
Story: Pre-battle ~1min read
Post-battle ~1min read

St. 20-2

Party Restriction: Mandatory NPC, Max 4 Servants
A total of 99 enemies among all basic classes (26-70k HP).
Defeat 10 enemies within 5 turns to clear the encounter.
Story: Pre-battle ~2min read
Post-battle ~3min read

St. 20-3

Party Restriction: Mandatory NPC, Max 4 Servants
A total of 99 enemies among all basic classes (23-73k HP).
Defeat 10 enemies within 5 turns to clear the encounter.
Story (Post-battle): ~4min read

St. 20-4

Party Restriction: Mandatory Frontline NPC
A break bar Berserker (873k, 972k, 1M HP).
Battle ends after first break.
The boss starts with 25% Damage Resist, additional 30k Max HP, and an ATK buff.
The boss has a special skill that can target focus a random Servant for 2 turns and grants the boss Sure Hit for 2 turns.
All allies restore 800 HP per turn, gain a minor Star Drop Rate buff, and enemies get a Crit Rate debuff.
Story: ~2min read

St. 20-5

Boss encounter!
Click on Boss Information below for specifics.
Story: ~2min read

Boss Information

Enemy	Class	Notes
		Party Restriction: Mandatory Frontline NPC A break bar Berserker (228k, 302k, 337k HP). The boss starts with 25% Damage Resist, additional 30k Max HP, an ATK buff, and gains an extra NP charge after using their NP. Note they have unremovable 3k dmg Curse on themselves. The boss gains Sure Hit before using their single target NP. 1st Break: 10 stacks of curse (prioritizes NPC Support), total 2k dmg per turn. 2nd Break: Clear all buffs and debuffs from self, gain MAX NP Gauge, and MAX NP Gauge every turn, increase own Special ATK vs the NPC Support. A detailed guide for this encounter can be found here.

St. 20-6

A single wave with a Saber (247k) and Berserker (228k HP).
Both enemies do not have an NP Gauge.
Allies restore 800 HP per turn, gain a Star Drop Rate buff, and enemies get a Crit Rate debuff each turn.
Note the Saber has Damage Plus 300, while the Berserker has Damage Cut 300.
Story: Pre-battle ~4min read
Post-battle ~2min read

St. 20-7

Story only.
Story: ~6min read

St. 20-8

Story only.
Story: ~2min read

St. 21-1

Party Restriction: NPC SOLO
A break bar Ruler (156k, 178k, 215k, 260k HP).
Battle ends automatically on turn 2.
Story: ~2min read

St. 21-2

Story only.
Story: ~1min read

St. 21-3

Boss encounter!
Click on Boss Information below for specifics.
Story: Pre-battle ~10min read
Post-battle ~6min read

Boss Information

Enemy	Class	Notes
		Party Restriction: Mandatory Frontline NPC + Mash Kyrielight A break bar Ruler (156k, 208k, 305k, 200k HP). NPC gains Damage +100%, Special DEF +30%, gains 10 Stars when attacking, and has healing reduced by 100%. While Mash is alive, she will remove the boss's special debuff that is applied each turn. The boss has 3k HP regen, 100% Buff Removal Resist, Crit Rate -100%, and loses all NP charges when each HP bar is broken. 1st Break: Clears Crit Rate debuff, gains 50% Chance to Evade for 3 turns, and a Quick Resist debuff. 2nd Break: Gains Crit Rate +50% and Crit Damage +30% for 3 turns, and an Arts Resist debuff. 3rd Break: Remove all buffs from self, and get a Buster Resist debuff. A detailed guide for this encounter can be found here.

St. 22-1

Story only.
Story: ~5min read

St. 22-2

Story only.
Story: ~5min read

Congratulations! The Chapter is completed! Make sure to check your Present Box for additional rewards after clearing the Chapter.

Lostbelt 6.5 Traum

Lostbelt No.6.5: Realm of the Thanatos Impulse, Traum - Life and Death of an Illusion

Event Content

Lostbelt No.6.5: Traum Spoiler-free Walkthrough

Lostbelt 6.5: Traum - Boss Guides

Event Quests

Traum - Main Quests

Traum - Free Quests

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About the Author(s)

NorseFTX

Twitter: @NorseFTX

Content Director at GamePress. Passionate about fighting games, virtual/augmented reality technology, neuroengineering, and video games in general. Classical Piano Performance, Sprite Art, and Under Night In-Birth enthusiast.

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Lostbelt No.6.5: Traum Spoiler-free Walkthrough

Lostbelt 6.5 Traum

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Lostbelt 6.5 Traum

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