Acheron

Honkai Star Rail Guide

Acheron Build Guide

The Nihility

Lightning

Last update 25 May 2024
25 May 2024 Update Log:
Update suggested sub-stats

Acheron Story

A drifter claiming to be a Galaxy Ranger. Her true name is unknown.
She walks the cosmos alone, carrying with her a long sword.

Acheron Stats at Lv. 80

hp
 
def
 
atk
 
spd
 
taunt
 

Acheron Abilities

Acheron conditions to stack “Slashed Dream” and “Crimson Knot”

Debuffs inflicted by the Nihility character

 

Normal ATKSkillUltimateTalentTechnique
Black SwanArcana (65%)ArcanaEpiphanyArcana (65%) triggers when each wave inflicts DOT on the enemy.Arcana
Silver WolfRandom Bug (Talent 72%)Reduce the All-Type RESReduce DEF--
Kafka--Shockfollow-up attack inflict Shock (1 time per turn)Shock
Welt-Reduce SPD (75%) *3Imprisoned-Imprisoned
GuinaifenBurn (80%) by TraceBurn-FirekissFirekiss
Luka-BleedDMG received-Bleed
SampoWind Shear (Talent 65%)Wind Shear(Talent 65%) *4Increase DOT DMG--
Pela--Reduce DEF-Reduce DEF

E0

Conditions to stack "Slashed Dream" for Acheron's Ultimate:
  1.  (Technique) Enter battle: +1
  2.  (Trace) at the start of battle: +5 (only once)
  3.  (Normal Attack): +1
  4.  (Skill): +2
  5.  (Talent): Enemy falls into a debuff after teammate or enemy attack: +1
  6. The Preservation Character, when utilizing LightCone's ability "Trend of the Universal Market": +1
Conditions to stack "Crimson Knot" on enemies:
  1.  (Technique): Enter battle: +1 on a random enemy
  2.  (Trace) at the start of battle: +5 on a random enemy
  3.  (Normal Attack): +1 on the specified enemy
  4.  (Skill): +2 on the specified enemy
  5.  (Talent): Enemy falls into a debuff after teammate or enemy attack: +1 This effect triggers up to 1 time per action:  (Welt's skill -> 1 stack of "Crimson Knot" will be inflicted on the enemy with the most "Crimson Knot" stacks.)
  6. The Preservation Character, when utilizing LightCone's ability "Trend of the Universal Market": +1
  7. Equipping the following LightCone situation on the Nihility character before using their Ultimate: After using one normal attack, followed by using the Ultimate, will grant Acheron 2 stacks of "Crimson Knot".
    Nihility Light ConeDebuff
    Patience Is All You Need
    If the wearer hits an enemy target that is not afflicted by Erode, there is a 100% base chance to inflict Erode to the target
    Resolution Shines As Pearls of Sweat
    When the wearer hits an enemy and if the hit enemy is not already Ensnared, then there is a 60% base chance to Ensnare the hit enemy. Ensnared enemies' DEF decreases by 12% for 1 turn(s).
    Incessant Rain
    After the wearer uses their Basic ATK, Skill, or Ultimate, there is a 100% base chance to implant Aether Code on a random hit target that does not yet have it. Targets with Aether Code receive 12% increased DMG for 1 turn.

E2

  1. Conditions to stack "Slashed Dream" for Acheron's Ultimate:

    1.  (Technique) Enter battle: +1
    2.  (Trace) at the start of battle: +5 (only once)
    3.  (Normal Attack): +1
    4.  (Skill): +1
    5.  (Talent): Enemy falls into a debuff after teammate or enemy attack: +1
    6.  (E2) At the beginning of Acheron's turn: +1
    7. The Preservation Character, when utilizing LightCone's ability "Trend of the Universal Market": +1

    Conditions to stack "Crimson Knot" on enemies:

    1.  Use technique: Enter battle: +1 on a random enemy
    2.  (Trace) at the start of battle: +5 on a random enemy
    3.  (Normal Attack): +1 on the specified enemy
    4.  (Skill): +1 on the specified enemy
    5.  (Talent): Enemy falls into a debuff after teammate or enemy attack: +1
      This effect triggers up to 1 time per action: 
      (Welt's skill -> 1 stack of "Crimson Knot" will be inflicted on the enemy with the most "Crimson Knot" stacks.)
      (Silver Wolf Skill + LC "Incessant Rain")
      (Pela Ultimate + LC "Resolution Shines As Pearls of Sweat")
    6. (E2) At the beginning of Acheron's turn: +1 on the enemy with the most "Crimson Knot" stacks.
    7. The Preservation Character, when utilizing LightCone's ability "Trend of the Universal Market": +1
    8. Equipping the following LightCone situation on the Nihility character before using their Ultimate: After using one normal attack, followed by using the Ultimate, will grant Acheron 2 stacks of "Crimson Knot".
      Nihility Light ConeDebuff
      Patience Is All You Need
      If the wearer hits an enemy target that is not afflicted by Erode, there is a 100% base chance to inflict Erode to the target
      Resolution Shines As Pearls of Sweat
      When the wearer hits an enemy and if the hit enemy is not already Ensnared, then there is a 60% base chance to Ensnare the hit enemy. Ensnared enemies' DEF decreases by 12% for 1 turn(s).
      Incessant Rain
      After the wearer uses their Basic ATK, Skill, or Ultimate, there is a 100% base chance to implant Aether Code on a random hit target that does not yet have it. Targets with Aether Code receive 12% increased DMG for 1 turn.

E0 & Along the Passing Shore S1

  1. Conditions to stack "Slashed Dream" for Acheron's Ultimate:

    1.  (Technique) Enter battle: +1
    2.  (Trace) at the start of battle: +5 (only once)
    3.  (Normal Attack): +1, +1 [LightCone Effect]
    4.  (Skill): +1, +1 [LightCone Effect]
    5.  (Talent): Enemy falls into a debuff after teammate or enemy attack: +1
    6. The Preservation Character, when utilizing LightCone's ability "Trend of the Universal Market": +1

    Conditions to stack "Crimson Knot" on enemies:

    1.  (Technique) Enter battle: +1 on a random enemy
    2.  (Trace) at the start of battle: +5 on a random enemy
    3.  (Normal Attack): +1, +1 [LightCone Effect] on the specified enemy
    4.  (Skill): +1, +1 [LightCone Effect] on the specified enemy.
      Adjacent targent: +1 [LightCone Effect]
    5.  (Talent): Enemy falls into a debuff after teammate or enemy attack: +1
      This effect triggers up to 1 time per action: 
      (Welt's skill -> 1 stack of "Crimson Knot" will be inflicted on the enemy with the most "Crimson Knot" stacks.)
    6. The Preservation Character, when utilizing LightCone's ability "Trend of the Universal Market": +1
    7. Equipping the following LightCone situation on the Nihility character before using their Ultimate: After using one normal attack, followed by using the Ultimate, will grant Acheron 2 stacks of "Crimson Knot".
      Nihility Light ConeDebuff
      Patience Is All You Need
      If the wearer hits an enemy target that is not afflicted by Erode, there is a 100% base chance to inflict Erode to the target
      Resolution Shines As Pearls of Sweat
      When the wearer hits an enemy and if the hit enemy is not already Ensnared, then there is a 60% base chance to Ensnare the hit enemy. Ensnared enemies' DEF decreases by 12% for 1 turn(s).
      Incessant Rain
      After the wearer uses their Basic ATK, Skill, or Ultimate, there is a 100% base chance to implant Aether Code on a random hit target that does not yet have it. Targets with Aether Code receive 12% increased DMG for 1 turn.

E2 & Along the Passing Shore S1

  1. Conditions to stack "Slashed Dream" for Acheron's Ultimate:

    1.  (Technique) : Enter battle: +1
    2.  (Trace) at the start of battle: +5 (only once)
    3.  (Normal Attack): +1,+1 [LightCone Effect]
    4.  (Skill): +1, +1 [LightCone Effect]
    5.  (Talent): Enemy falls into a debuff after teammate or enemy attack: +1
    6.  (E2) At the beginning of Acheron's turn: +1
    7. The Preservation Character, when utilizing LightCone's ability "Trend of the Universal Market": +1

    Conditions to stack "Crimson Knot" on enemies:

    1.  Use technique: Enter battle: +1 on a random enemy
    2.  (Trace) at the start of battle: +5 on a random enemy
    3. (Normal Attack): +1, +1 [LightCone Effect] on the specified enemy
    4.  (Skill): +1, +1 [LightCone Effect] on the specified enemy.
      Adjacent targent: +1 [LightCone Effect]
    5.  (Talent): Enemy falls into a debuff after teammate or enemy attack: +1
      This effect triggers up to 1 time per action: 
      (Welt's skill -> 1 stack of "Crimson Knot" will be inflicted on the enemy with the most "Crimson Knot" stacks.)
    6. The Preservation Character, when utilizing LightCone's ability "Trend of the Universal Market": +1
    7. (E2) At the beginning of Acheron's turn: +1 on the enemy with the most "Crimson Knot" stacks.
    8. Equipping the following LightCone situation on the Nihility character before using their Ultimate: After using one normal attack, followed by using the Ultimate, will grant Acheron 2 stacks of "Crimson Knot".
      Nihility Light ConeDebuff
      Patience Is All You Need
      If the wearer hits an enemy target that is not afflicted by Erode, there is a 100% base chance to inflict Erode to the target
      Resolution Shines As Pearls of Sweat
      When the wearer hits an enemy and if the hit enemy is not already Ensnared, then there is a 60% base chance to Ensnare the hit enemy. Ensnared enemies' DEF decreases by 12% for 1 turn(s).
      Incessant Rain
      After the wearer uses their Basic ATK, Skill, or Ultimate, there is a 100% base chance to implant Aether Code on a random hit target that does not yet have it. Targets with Aether Code receive 12% increased DMG for 1 turn.

Acheron Abilities Priority

Trilateral Wiltcross

Acheron Normal Attack

Single Target : 30

Level: 1
Deals Lightning DMG equal to 50% Acheron’s ATK to a single enemy.
Slashed Dream Cries in Red
Ultiimate

FuXuan_talent
Talent

Octobolt Flash
Skill

Trilateral Wiltcross
Normal Atk

AcheronTraces

Acheron Max Trace Lv Ascension Materials

credit_honkaistarrail.webp
3M
Fiery Spirit
18
Starfire Essence
69
Heaven Incinerator
139
Dream Collection Componen
41
Dream Flow Valve
56
Dream Making Engine
58
Past Grievances of the Planet-Boring Disaster
12
Tracks-of-Destiny.webp
8

Red Ogre

First Tier

When battle starts, immediately gains 5 point(s) of Slashed Dream and applies 5 stack(s) of Crimson Knot to a random enemy. When Slashed Dream reaches its upper limit, for every point of Slashed Dream that exceeds the limit, gains 1 stack of Quadrivalent Ascendance. Increases the maximum stackable count for Quadrivalent Ascendance to 3.

Second Tier (Ascension 2)

 

Thrid Tier (Ascension 3)

 

The Abyss

First Tier

When there are 1 or 2 Nihility characters other than Acheron in the team, the DMG dealt by Acheron’s Basic ATK, Skill, and Ultimate increases to 115% or 160% of the original DMG respectively.

Second Tier (Ascension 4)

 

Thrid Tier (Ascension 5)

 

Thunder Core

First Tier

When the Rainblade from Acheron’s Ultimate hits enemy targets with Crimson Knot, her DMG increases by 30%, stacking up to 3 time(s) and lasting for 3 turn(s). And when Stygian Resurge triggers, additionally deals DMG for 6 times. Each time deals Lightning DMG equal to 25% of Acheron’s ATK to a single random enemy and is viewed as part of the Ultimate DMG.

Second Tier (Ascension 6)

 

Thrid Tier (Lv. 75)

 

 

Other Traces 

Lv.1

Lv. 80

Acheron Eidolon

Silenced Sky Spake Sooth

Acheron Eidolon Level 1

CRIT Rate increases by 18% when dealing DMG to debuffed enemies.

Mute Thunder in Still Tempest

Acheron Eidolon Level 2

The number of Nihility characters required for the Trace “The Abyss” to achieve its highest possible effect is reduced by 1. When this unit’s turn starts, gains 1 point of Slashed Dream and inflicts 1 stack of Crimson Knot on the enemy with the most Crimson Knot stacks.

Frost Bites in Death

Acheron Eidolon Level 3

Ultimate Lv. +2, up to a maximum of Lv. 15.
Basic ATK Lv. +1, up to a maximum of Lv. 10.

Shrined Fire for Mirrored Soul

Acheron Eidolon Level 4

When enemy targets enter combat, makes them Vulnerable to the Ultimate DMG, increasing the amount of DMG they take from the Ultimate by 8%.

Strewn Souls on Erased Earths

Acheron Eidolon Level 5

Skill Lv. +2, up to a maximum of Lv. 15.
Talent Lv. +2, up to a maximum of Lv. 15.

Apocalypse, the Emancipator

Acheron Eidolon Level 6

Increases the All-Type RES PEN for the Ultimate DMG dealt by Acheron by 20%. The DMG dealt by Basic ATK and Skill will also be considered as Ultimate DMG and can reduce enemy toughness regardless of Weakness Types. When Weakness is broken, triggers the Lightning Weakness Break effect.

Acheron Key Eidolons

Mute Thunder in Still Tempest
E2

Shrined Fire for Mirrored Soul
E6

Silenced Sky Spake Sooth
E1
E2 is key eidolons. While E6 and E1 are the second best eidolons.

Acheron Build, Best Light Cone & Best Relic

Acheron Best Light Cone

hp
HP 1058
def
DEF 397
atk
ATK 635
Light Cone Name
Along the Passing Shore
Rarity
Light Cone Type
The Nihility

Along the Passing Shore Overview

Steerer

Increases the wearer’s CRIT DMG by 36%/42%/48%/54%/60%. When the wearer hits the enemy target, there is a 100% base chance of inflicting Empty Bubbles to the enemy, lasting for 1 turn. This effect can be triggered 1 time against each target for every attack the wearer launches. The wearer deals 24%/28%/32%/36%/40% more DMG to targets afflicted with Empty Bubbles, and DMG from Ultimate additionally increases by 24%/28%/32%/36%/40%.

Acheron Best Relics

DPS Relics Set 

Main Stats

Body
 
spd
 
Sphere
 
Rope
 

Sub Stats

 

Relics can be use

 

Pioneer Diver of Dead Waters (4 Set)

2 Set Effect – Increases DMG dealt to enemies with debuff by 12%.

4 Set Effect – Increases CRIT Rate by 4%. The wearer deals 8%/12% increased CRIT DMG to enemies with at least 2/3 debuffs. After the wearer inflicts a debuff on enemy targets, the aforementioned effects increase by 100%, lasting for 1 turn(s).

 

Izumo Gensei and Takama Divine Realm (2 Set)

2 Set Effect – Increases the wearer’s ATK by 12%. When entering battle, if at least one other ally follows the same Path as the wearer, then the wearer’s CRIT Rate increases by 12%.

or

 

IInert Salsotto (2 Set)

2 Set Effect – Increases the wearer’s CRIT Rate by 8%. When the wearer’s current CRIT Rate reaches 50% or higher, the wearer’s Ultimate and follow-up attack DMG increases by 15%.

Note for “Pioneer Dirver of Dead Waters”

1. “Crimson Knot” is not counted as a debuff, which means it cannot trigger the 100% bonus of the 4 set effect.
2. Debuffs from light cones “Along the Passing Store”, “Incessant Rain”, “Patience Is All You Need” and “Resolution Shines As Pearls of Sweat” can trigger the 4 set’s bonus.
3. Don’t worry if you don’t have the light cones mentioned. The debuff of reducing “
All-Type RES” of enemies when Acheron is using ultimate is counted as a debuff and can trigger 4 set’s bonus.

Acheron (E0) Best Team

Acheron is a Main DPS in the team. Acheron’s  build is used

Acheron
Main DPS
Lightning

When an unit inflicts debuffs on an enemy, Acheron gains a point of Slashed Dream”, and inflicts 1 stack of Crimson Knot” on the target. When Slashed Dream” reaches 9 points, the Ultimate can activated. The overall dmg of the Ultimate depends on the stacks of Crimson Knot” on main target.

Pela
Support

Pela’s ultimate skill is capable of lowering the defense of all enemies. In addition, her passive technique allows her to take the initiative in battle by lowering the enemy’s defense.
(Ultimate : reduced DEF)

Guinaifen
Support
Fire

Guinaifen’s normal attacks or skill can inflict enemies with Burn. While using Ultimate, a direct DMG based on the DoT of Burn will be done on enemies. When Burn DMG is done, a debuff which increases DMG taken is inflicted on enemies which increases overall DMG of the team.|
(Normal Attack / Skill : brun)

Gallagher
Healer
Fire

Gallagher’s Ultimate increases the damage inflicted by Break DMG on enemies and allows allies to restore HP while attacking. It also enhances Gallagher’s next Normal Attack and reduces the enemy’s ATK. 
(Normal Attack : reduces ATK)

Acheron (E2) Best Team

Acheron is a Main DPS in the team. Acheron’s  build is used

Acheron
Main DPS
Lightning

When an unit inflicts debuffs on an enemy, Acheron gains a point of Slashed Dream”, and inflicts 1 stack of Crimson Knot” on the target. When Slashed Dream” reaches 9 points, the Ultimate can activated. The overall dmg of the Ultimate depends on the stacks of Crimson Knot” on main target.

Sparkle
Support
Quantum

Sparkle can both recover skill points for allies and increase their maximum skill point capacity.
To use Sparkle’s ultimate ability, allies must have already used some of their skill points to avoid exceeding their maximum capacity. The skill of Sparkle increase ally’s CRIT DMG and and advance ally’s action.

Pela
Support

Pela’s ultimate skill is capable of lowering the defense of all enemies. In addition, her passive technique allows her to take the initiative in battle by lowering the enemy’s defense.
(Ultimate : reduced DEF)

FuXuan
Support
Quantum

FuXuan’s ultimate skill can deals damage to all enemies while simultaneously restoring the heal of her allies. As enemies’ HP decreases, Seele’s Talent is triggered more frequently.

Acheron Ascension Material

Acheron Lv
 Ascension Materials

Level: 0
credit_honkaistarrail
0
Dream Collection Componen
0
Dream Flow Valve
0
Dream Making Engine
0
Shape Shifter's Lightning Staff_honkailam_genshinlab
0