What is the best Light Cone for Acheron?

Why Does the Ocean Sing is the closest fit on the data: it is a 5-star Nihility Light Cone with 635 base ATK at level 80, and its passive acts on ATK. Before the Tutorial Mission Starts is the best 4-star alternative.

Which relic set should Acheron use?

Band of Sizzling Thunder. Its 2-piece bonus is: Increases Lightning DMG by 10%. Its 4-piece bonus is: When the wearer uses their Skill, increases the wearer's ATK by 20% for 1 turn(s).

Which Planar Ornament should Acheron use?

Sprightly Vonwacq. Its 2-piece bonus is: Increases the wearer's Energy Regeneration Rate by 5%. When the wearer's SPD reaches 120 or higher, the wearer's action is Advanced Forward by 40% immediately upon entering battle. Planar Ornaments have no 4-piece bonus; the sphere and the rope are the whole set.

Acheron, Lightning Nihility character | Honkai: Star Rail

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Galaxy Ranger

Acheron Build

Build guide · Honkai: Star Rail

LightningNihilitySupport

English voice: Allegra Clark

The best Acheron build in Honkai: Star Rail (Version 4.6) is Along the Passing Shore with Pioneer Diver of Dead Waters. Updated November 5, 2026

Abilities Traces Materials Eidolons

Where these rankings come fromThe light cone order, relic sets and stat priorities on this tab are prydwen.gg’s, measured in play and rephrased. Relative damage figures are ratios against the bottom of each ranking, not absolute numbers, and each one holds only for the superimposition and team its row states. Everything else (base stats, passive text, material totals) is read from the game’s own data.

Light cones

4 ranked

Along the Passing Shore, 5★ Nihility Light Cone | Honkai: Star Rail

BISAlong the Passing Shore

125.50% at S1

635

Base ATK · lv 80

1058 HP397 DEF

Incessant Rain, 5★ Nihility Light Cone | Honkai: Star Rail

#2Incessant Rain

107.77% at S1

582

Base ATK · lv 80

1058 HP463 DEF

Good Night and Sleep Well, 4★ Nihility Light Cone | Honkai: Star Rail

#3Good Night and Sleep Well

100% at S5

476

Base ATK · lv 80

953 HP331 DEF

Boundless Choreo, 4★ Nihility Light Cone | Honkai: Star Rail

#4Boundless Choreo

95.51% at S5

476

Base ATK · lv 80

953 HP331 DEF

Relics

3 sets

CorePioneer Diver of Dead Waters

100% uptime | 3 Debuffs Required

2PCIncreases DMG dealt to enemies with debuffs by 12%.

4PCIncreases 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).

Also works

Planar ornaments

Sphere and rope · 2-piece only

CoreIzumo Gensei and Takama Divine Realm

2PCIncreases the wearer's ATK by 12%. When entering battle, if at least one teammate follows the same Path as the wearer, then the wearer's CRIT Rate increases by 12%.

Also works

Main stats

Ultimate · 9 energy

Body: CRIT Rate >= CRIT DMG
Feet: ATK% > Speed
Planar Sphere: ATK% > Lightning DMG
Link Rope: ATK%

Substat priority

Highest first

1SPD (breakpoint if you play 134+ Acheron; with Sparkle, fully ignore Speed)Best
2CRIT RATE = CRIT DMG
3ATK%

Aim to maintain a ratio of 1% CRIT RATE per 2% CRIT DMG with a good stat line in endgame being 80% CRIT RATE and 160% CRIT DMG to start with.

Trace priority

Level in this order

#1
Ultimate
Max first
#2
Skill = Talent
Then
#3
Basic
Next

Major traces, best first: The Abyss (A4) > Thunder Core (A6) > Red Oni (A2)

Best Eidolons

E3 and E5 raise levels only

E1Silenced Sky Spake Sooth
E2Mute Thunder in Still Tempest
E3Level bump
E4Shrined Fire for Mirrored Soul
E5Level bump
E6Apocalypse, the Emancipator

E1
Silenced Sky Spake Sooth
Game text
When dealing DMG to debuffed enemies, increases CRIT Rate by 18%.
E2
Mute Thunder in Still Tempest
Game text
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.
E4
Shrined Fire for Mirrored Soul
Game text
When enemy targets enter combat, inflicts them with the Ultimate DMG Vulnerability, increasing the amount of Ultimate DMG they take by 8%.
E6
Apocalypse, the Emancipator
Game text
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 breaking Weaknesses, triggers the Lightning Weakness Break effect.

Teams

1 team

Acheron team

Lightning · NihilityLeads

Acheron charges her Ultimate off debuffs other characters apply, so the team runs two more Nihility units and a sustain that never needs a Skill Point.

Acheron, this characterMain DPS
JiaoqiuNihility debuffer
PelaDEF shred
AventurineSustain

All teams, with every replacement

Honkai: Star Rail 5★ Lightning Nihility Support

Acheron build summary

Updated November 5, 2026

Along the Passing Shore tops the light cone ranking for Acheron, at 125.50% relative damage at S1, ahead of Incessant Rain, Good Night and Sleep Well and Boundless Choreo. That order is prydwen.gg's, measured in play and rephrased here; every row of it sits under Light cones below.

Run Pioneer Diver of Dead Waters on Acheron, with Scholar Lost in Erudition and Band of Sizzling Thunder behind it. The planar ornament is Izumo Gensei and Takama Divine Realm. Main stats are CRIT Rate >= CRIT DMG body, ATK% > Speed feet, ATK% > Lightning DMG sphere, ATK% rope. Roll substats in the order SPD (breakpoint if you play 134+ Acheron; with Sparkle, fully ignore Speed) > CRIT RATE = CRIT DMG > ATK%.

Trace priority is Ultimate > Skill = Talent > Basic. The Ultimate costs 9 energy, which is what an Energy Regeneration Rate target has to clear.

The strongest team is Acheron, Jiaoqiu, Pela and Aventurine, built around Acheron: Lightning · Nihility.

Role: Support
Best light cone: Along the Passing Shore
Alternatives: Incessant Rain, Good Night and Sleep Well, Boundless Choreo
Relic set: Pioneer Diver of Dead Waters
Planar ornament: Izumo Gensei and Takama Divine Realm
Main stats: CRIT Rate >= CRIT DMG body, ATK% > Speed feet, ATK% > Lightning DMG sphere, ATK% rope
Substat priority: SPD (breakpoint if you play 134+ Acheron; with Sparkle, fully ignore Speed) > CRIT RATE = CRIT DMG > ATK%
Trace priority: Ultimate > Skill = Talent > Basic
Best team: Acheron, Jiaoqiu, Pela, Aventurine
Ultimate energy cost: 9 energy
Key ascension material: 15× Dream Making Engine
Last updated: November 5, 2026

Acheron build FAQ

What is the best Light Cone for Acheron?: Why Does the Ocean Sing is the closest fit on the data: it is a 5-star Nihility Light Cone with 635 base ATK at level 80, and its passive acts on ATK. Before the Tutorial Mission Starts is the best 4-star alternative.
Which relic set should Acheron use?: Band of Sizzling Thunder. Its 2-piece bonus is: Increases Lightning DMG by 10%. Its 4-piece bonus is: When the wearer uses their Skill, increases the wearer's ATK by 20% for 1 turn(s).
Which Planar Ornament should Acheron use?: Sprightly Vonwacq. Its 2-piece bonus is: Increases the wearer's Energy Regeneration Rate by 5%. When the wearer's SPD reaches 120 or higher, the wearer's action is Advanced Forward by 40% immediately upon entering battle. Planar Ornaments have no 4-piece bonus; the sphere and the rope are the whole set.

Acheron Build

Light cones

Relics

Planar ornaments

Main stats

Substat priority

Trace priority

Best Eidolons

Silenced Sky Spake Sooth

Mute Thunder in Still Tempest

Shrined Fire for Mirrored Soul

Apocalypse, the Emancipator

Teams

Acheron build FAQ