Acheron Build Guide
Best relics, light cones, team compositions & trace priority for Honkai Star Rail 4.0 (February 2026)
📖 Acheron Overview
Acheron is an Emanator of Nihility and one of the strongest DPS units. She charges her Ultimate through Slashed Dream stacks from enemy debuffs. Her Ultimate ignores DEF for devastating damage. Requires Nihility teammates for full potential.
Element
Lightning
Path
Nihility
Rarity
★★★★★
Tier
S+
⚔️ Skills Breakdown
Basic Attack
Deals Lightning DMG.
Skill
Deals Lightning DMG to target and adjacent. Applies Crimson Knot.
Ultimate
Requires Slashed Dream. Massive Lightning DMG ignoring DEF.
Talent
Gains Slashed Dream from enemy debuffs. Crimson Knot increases Ultimate damage.
Technique
Debuffs all enemies at start.
🛡️ Best Relics & Planar Ornaments
Relic Sets
🏆 Best in Slot
Pioneer Diver of Dead Waters (4pc)
Alternatives
Genius of Brilliant Stars (4pc)
Planar Ornaments
🏆 Best in Slot
Izumo Gensei and Takama Divine Realm
Alternatives
Firmament Frontline: Glamoth
🔮 Best Light Cones
🏆 Best in Slot
Along the Passing Shore (Signature)
Alternatives (ranked)
Brighter Than the Sun, Good Night and Sleep Well (4★)
📊 Stat Priority & Main Stats
Body
CRIT Rate / CRIT DMG
Feet
ATK% or SPD
Sphere
Lightning DMG Bonus
Rope
ATK%
Sub-stat Priority
CRIT Rate > CRIT DMG > ATK% > SPD
Target Stats
75%+ CRIT Rate, 150%+ CRIT DMG, 134+ SPD
👥 Best Team Compositions
🏆 Optimal Teams
Team 1
Team 2
Alternative Teams
📈 Trace & Eidolon Priority
Trace Upgrade Order
Ultimate > Skill > Talent > Basic Attack
Eidolon Priority
E1 > E2 (reduces Nihility req) > E6
✅ Pros & Cons
✅ Pros
Ultimate ignores DEF
Charges through debuffs not energy
Works in Nihility and mixed teams at E2
Strong in all endgame
❌ Cons
Needs 2 Nihility at E0
Signature LC hard to replace
Restrictive team building at E0
💡 Tips & Tricks
Jiaoqiu is best partner — constant debuffs without SP cost.
E2 reduces Nihility requirement by 1.
Aventurine Unnerved also gives Slashed Dream.
❓ Frequently Asked Questions
What are the best relics for Acheron?
The best relic set is Pioneer Diver of Dead Waters (4pc) paired with Izumo Gensei and Takama Divine Realm as the planar ornament. Alternatives include Genius of Brilliant Stars (4pc).
What is the best Light Cone for Acheron?
The best Light Cone is Along the Passing Shore (Signature). Good alternatives include: Brighter Than the Sun, Good Night and Sleep Well (4★).
What tier is Acheron in HSR 4.0?
Acheron is ranked S+ Tier in our Honkai Star Rail 4.0 tier list as of February 2026.
Is Acheron worth pulling?
As a S+ Tier Main DPS, Acheron is absolutely worth pulling and one of the best investments in the game.