Honkai Star Rail Acheron Best Build, Team and More

In this article you will find all the information about Honkai Star Rail character Acheron along with the best build, team compositions and more.

Honkai Star Rail Acheron Best Build, Team and More
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Acheron is a 5-star Nihility and Lightning character that brings devastating power to defeat enemies in Honkai: Star Rail. This guide covers everything needed to build the best Acheron in Honkai Star Rail—from light cones and relics to team comps and gameplay tips.

Overview of Acheron's Abilities


Acheron Honkai Star Rail
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Acheron's kit revolves around building up Slashed Dream points to unleash her devastating ultimate while inflicting enemies with Crimson Knot debuffs to further amplify her damage. Let's examine each of her abilities in-depth:

Basic Attack: Trilateral Wiltcross

  • Deals Lightning DMG equal to 130% of Acheron's ATK to a single target.

While her basic attacks are not her main damage source, they can still chip away enemy health bars when her other skills are on cooldown.

Skill: Octobolt Flash

  • Inflicts 1 stack of Crimson Knot on a single target.
  • Deals Blast Lightning DMG equal to 200% of Acheron's ATK to the main target.
  • Deals additional Lightning DMG equal to 75% of ATK to adjacent targets.
  • Gains 1 Slashed Dream point.

This is Acheron's bread-and-butter skill. It generates her Slashed Dream points while debuffing a primary target and dealing solid AoE damage.

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Ultimate: Slashed Dream Cries in Red

Unleashes a barrage of Rainblades and Stygian Resurge when Slashed Dream reaches 9 points:

  • Rainblade - Deals Lightning DMG equal to 28.8% ATK to a single target and removes up to 3 stacks of Crimson Knot. If Knots are removed, deals additional Lightning DMG equal to 18% ATK to all enemies (stacks up to 3 times based on Knots consumed).
  • Stygian Resurge (after 3 Rainblades) - Massive AoE Lightning DMG equal to 144% ATK and removes all Crimson Knots.

This is where Acheron's damage truly shines. By consuming the Crimson Knot debuffs, she can dish out a flurry of single target and AoE lightning attacks before the final burst.

Talent: Atop Rainleaf Hangs Oneness

  • Removes enemies' weakness resistances during her ultimate.
  • Reduces all enemies' elemental RES by 25% during her ultimate.
  • When any ally inflicts a debuff, Acheron gains 1 Slashed Dream and inflicts the debuffed target with Crimson Knot.
  • Crimson Knots transfer to the enemy with the most stacks when one dies or leaves.

This talent is what makes Acheron such a universally powerful DPS. She can damage any enemy regardless of its weakness while debuffing their resistance. 

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Technique: Quadrivalent Ascendance

  • Immediately attacks an enemy when activated.
  • Gains 2 Slashed Dream points and deals Lightning DMG equal to 80% ATK.
  • Inflicts 2 stacks of Crimson Knot on a random enemy.
  • Instantly defeats elite enemies without triggering combat (only works on elites, not bosses).

Her technique gives a quick head start on building Slashed Dream while also giving a chance to instantly clear regular encounter elites.

Recommended Light Cones


These are Acheron's best light cones:

  • Along the Passing Shore (5-star) 
  • Good Night and Sleep Well (4-star) 

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Best Relics and Planar Ornaments


  Name Description
Best Relics

Pioneer Diver of Dead Waters

Pioneer Diver of Dead Waters

Buffs Crit Rate and DMG against debuffed enemies. BiS set.

Pioneer Diver + 2-pc Band of Sizzling Thunder Increases lightning damage. Solid hybrid set.
Best Ornaments

Izumo Gensei and Takama Divine Realm

Izumo Gensei and Takama Divine Realm

Increases crit rate if there is at least one other Nihility ally. 

Firmament Frontline Glamoth

Firmament Frontline Glamoth

Damage buff with enough speed. Decent alternative.

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Recommended Team Compositions


Nihility Hypercarry

  • Acheron 
  • Pela 
  • Silver Wolf 
  • Fu Xuan 

Eidolon Buff Comp

  • Acheron
  • 1 other Nihility 
  • Bronya 
  • Flex

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