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Lostbelt No.5.5: Heian-kyo Spoiler-free Walkthrough

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Article by NorseFTX
Lostbelt No.5.5: Heian-kyo Spoiler-free Walkthrough
Table of Contents

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.
  • Heian-kyo 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 requires 696 AP.
  • Story length estimates are courtesy of the Atlas Academy DB. The entire story length is estimated to be approximately a 4 hour and 46 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: ~9min read

St. 1-1
Story only.
Story: ~5min read

St. 1-2
Story only.
Story: ~9min read

St. 1-3
Gold Lancer A single wave with 3 Lancer mobs (97-134k HP).
Story: Pre-battle ~2min read
Post-battle ~1min read
New Monster Information

St. 1-4
Gold AssassinGold Saber Two waves, the first with two Assassins (54-58k HP) and one Saber (102k HP); the second wave has a lone Assassin (217k HP).
Story: Pre-battle ~1min read
Post-battle ~2min read

St. 2-1
Gold SaberGold Caster A scripted battle that automatically ends after 3 turns. The battle can end early if either of the enemies' first HP bar is broken; there is a Saber (231k) and Caster (121k HP).
Story: ~1min read

St. 2-2
Story only.
Story: ~1min read

St. 2-3
Gold SaberGold Assassin This battle is a single wave where the break bar Saber (245k, 298k HP) needs to be defeated. A total of 100 Assassin mobs (55-60k HP) accompany the Saber, but don't need to be defeated.
The Saber starts with an unremovable passive that can gives him either a Crit Rate buff or 20k HP Damage Cut buff every time he attacks, so it can be better to focus damage on him and avoid killing the other mobs so he doesn't get multiple actions per turn.
On break: Saber will charge their NP Bar to MAX at the end of each turn for 5 turns.
Story: Pre-battle ~3min read
Post-battle ~3min read

St. 3-1
Story only.
Story: ~5min read

St. 3-2
Story only.
Story: ~5min read

St. 3-3
Gold Assassin A single wave with 3 Assassin mobs (106-213k HP).
Story: ~6min read

St. 3-4
Gold AssassinGold Saber Two waves, the first with an Assassin (55k HP) and two Sabers (73-78k HP); the second has a lone Assassin (224k HP).
Story (Post-battle): ~10min read

St. 4-1
Gold SaberGold Assassin A single wave with five mixed Assassin and Saber enemies (54-88k HP).
Story: ~10min read

St. 4-2
Gold LancerGold Assassin Two waves, each with three enemies that are mixed Lancers and Assassins (46-77k HP).
Story (Post-battle): ~7min read

St. 4-3
Story only.
Story: ~6min read

St. 4-4
Story only.
Story: ~3min read

St. 4-5
Gold CasterGold Saber A single wave with a Caster boss (303k HP) and 9 Saber mobs (9-38k HP). Note the Caster is capable of using a skill that restores HP for all allies except themselves.
Story: Pre-battle ~3min read
Post-battle ~2min read

St. 5-1
Gold Saber Three waves, with three Sabers each (9-51k HP), except for the last wave which has one large Saber (198k HP).
Story: ~6min read

St. 5-2
Gold SaberGold Lancer A single wave with a large Saber (232k HP) and Lancer (315k HP). Both enemies have an unremovable 1-time 50k HP Guts, which also inflicts a minor unremovable Curse on the Servant that triggers the Guts.
Story: ~3min read

St. 5-3
Gold CasterGold Saber A single wave with two Sabers (121-128k HP) and a Caster Servant (303k HP). The Caster starts with a buff that burns enemies when they attack.
Story: Pre-battle ~3min read
Post-battle ~6min read

St. 5-4
Gold CasterGold Saber Miniboss encounter!
Click on Boss Information below for specifics.
Story: Pre-battle ~3min read
Post-battle ~2min read
Miniboss Information

St. 5-5
Story only.
Story: ~3min read

St. 6-1
Story only.
Story: ~2min read

St. 6-2
Gold Berserker A single wave with two Berserkers (379k, 261k HP). The larger Berserker has unremovable 3-time guts that revives with 1 HP. Each time their Guts activates, they gain a 1-turn 50% ATK buff.
Story: ~7min read
New Monster Information

St. 6-3
Gold AssassinGold CasterGold Lancer Three waves, the first two with small Lancer mobs (9-23k HP). The last wave has a break bar Assassin (154k, 193k HP) with a Caster (135k HP). The Assassin only uses an Extra attack as their NP.
When the wave starts, the Assassin inflicts the Chaos debuff, which has a chance to skill seal party members each turn. The Assassin also has a permanent passive that increases their Debuff Success Rate, inflicts Poison when attacked, and debuffs ATK when attacking.
On break, they debuff DEF for the party and inflict the Poison Damage Up debuff, increasing poison damage by 300%.
Story: Pre-battle ~3min read
Post-battle ~1min read

St. 6-4
Story only.
Story: ~5min read

St. 6-5
Story only.
Story: ~5min read

St. 7-1
Story only.
Story: ~4min read

St. 7-2
Gold AssassinGold Lancer Three waves, the first two with Lancer mobs (9-25k HP). The final wave has a rematch with the Assassin Servant alone (189k, 269k HP). They have the same Chaos debuff and passives as their prior encounter, except this time on Break they permanently gain 30% Crit Rate and Crit Damage.
Story: Pre-battle ~2min read
Post-battle ~4min read

St. 7-3
Gold AssassinGold Caster Miniboss encounter!
Click on Boss Information below for specifics.
Story: Pre-battle ~7min read
Post-battle ~3min read
Miniboss Information

St. 8-1
Gold SaberGold Caster Boss encounter!
Click on Boss Information below for specifics.
Story: ~6min read
Boss Information

St. 8-2
Story only.
Story: ~6min read

St. 8-3
Story only.
Story: ~5min read

St. 9-1
Story only.
Story: ~2min read

St. 9-2
Story only.
Story: ~3min read

St. 9-3
Gold AssassinGold Saber Three waves with Assassins/Sabers (19-57k HP), with the final wave having a lone big Assassin (259k HP).
Story: Pre-battle ~5min read
Post-battle ~1min read

St. 9-4
Gold AssassinGold Saber Three waves, the first with two Assassins and a Saber (21-55k HP), the second with three Sabers (43-62k HP), and the last with a lone Assassin (222k HP).
Story (Post-battle): ~1min read

St. 10-1
Gold ArcherGold SaberGold Assassin A semi-scripted battle against a break bar Archer Servant (201k, 202k, 254k HP) and Saber Servant (161k, 162k, 207k HP) accompanied by eight Assassins (11k HP) that don't need to be defeated.
Breaking a total of two HP bars (either one enemy Servant twice, or once each per enemy Servant) will cause the battle to automatically end after the enemy's action.
Story: ~2min read

St. 10-2
Gold ArcherGold Saber Miniboss encounter!
Click on Boss Information below for specifics.
Story: ~4min read
Miniboss Information

St. 10-3
Story only.
Story: ~2min read

St. 11-1
Story only.
Story: ~2min read

St. 11-2
Gold AvengerGold Lancer Party Restriction: Mandatory NPC Solo. Mystic Codes / Command Spells unavailable.
A scripted battle which automatically ends after 3 turns. Make use of the NPC Support's Evade and Invincible skills to stall out the turns.
Story: Pre-battle ~4min read
Post-battle ~5min read
New Monster Information

St. 11-3
Gold Berserker A single wave with two Berserkers (290k, 269k HP). The larger Berserker comes with a 3-time unremovable Guts that revives for 1 HP. They can gain ATK buff stacks every time Guts is triggered.
At the start of battle, all enemy Berserkers gain a 20% Critical Rate buff.
Story: ~6min read

St. 11-4
Story only.
Story: ~4min read

St. 12-1
Gold AvengerGold Lancer A single wave with a break bar Avenger (218k, 318k HP), accompanied by Lancer mobs (20-165k HP).
Be wary that the large Lancer mob (165k HP) has a 20% chance to stun the entire party with normal attacks, so it should be defeated ASAP.
The Avenger will prioritize targets with the [Genji] trait (such as Kintoki, Raikou), dealing bonus damage to them but also taking more damage from them.
On break, the Avenger inflicts Target Focus on all Genji trait Servants for 3 turns.
Story: ~3min read

St. 12-2
Gold AvengerGold Lancer A rematch against the break bar Avenger (321k, 399k HP) accompanied by small Lancer mobs (20-24k HP).
This time, in addition to increased ATK and decreased DEF against Genji trait enemies, the Avenger also will restore 10% of their own HP each time they defeat an enemy.
On break, the Avenger applies Genji trait to the entire party including the backline for 5 turns.
Story: ~3min read

St. 12-3
Gold Avenger Miniboss encounter!
Click on Boss Information below for specifics.
Story: ~3min read
Miniboss Information

St. 12-4
Story only.
Story: ~3min read

St. 13-1
Story only.
Story: ~2min read

St. 13-2
Gold BerserkerGold SaberGold Assassin Three waves, the first with Assassins/Berserkers (12-14k HP), the second with Berserkers/Sabers (13-25k HP), and the final with two large Berserkers (356k, 300k HP).
One of the Berserkers in the final wave starts with a minor ATK buff and minor DEF debuff.
Story: ~3min read

St. 13-3
Gold Saber Boss encounter!
Click on Boss Information below for specifics.
Story: Pre-battle ~5min read
Post-battle ~2min read
Boss Information

St. 13-4
Story only.
Story: ~3min read

St. 14-1
Story only.
Story: ~3min read

St. 14-2
Gold Alter EgoGold SaberGold Assassin Three waves, the first with Saber/Assassins (15-25k HP), the second with a Saber, Assasin, and Alter Ego (16-152k HP), and the final wave with two Alter Egos (140-145k HP).
Story: ~5min read

St. 14-3
Gold Alter Ego A single wave with 6 Alter Egos (100-162k HP).
Story (Post-battle): ~1min read

St. 14-4
Story only.
Story: ~4min read

St. 15-1
Gold Alter Ego Boss encounter!
Click on Boss Information below for specifics.
Story: ~5min read
Boss Information

St. 15-2
Story only.
Story: ~3min read

Finale-1
Story only.
Story: ~6min read

Finale-2
Story only.
Story: ~11min read
Congratulations! The Chapter is completed! Make sure to check your Present Box for additional rewards after clearing the Chapter.
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About the Author(s)

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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