Acheron is an upcoming 5-star character debuting in Honkai Star Rail’s version 2.1 update.
On March 16, the Honkai Star Rail livestream officially revealed several characters ahead of the version 2.1 update. Those mentioned included Acheron, Gallagher, and Aventurine.
Acheron is a 5-star Lightning character on the Path of The Nihility. Therefore, she could work well alongside units like Kafka and Luka.
Contents
- Who is Acheron in Honkai Star Rail?
- Is there an Acheron release date in Honkai Star Rail?
- Acheron abilities in Honkai Star Rail
- Acheron Eidolons in Honkai Star Rail
Who is Acheron in Honkai Star Rail?

Honkai Star Rail players first meet Acheron during the Penacony storyline, but she still remains a mysterious character. She claims to be part of the Galaxy Rangers, but her true identity is unknown.
Is there an Acheron release date in Honkai Star Rail?
Acheron will officially be released alongside the version 2.1 update, launching on March 27, 2024.
Acheron abilities in Honkai Star Rail
- Basic Attack – Trilateral Wiltcross: Deals Lightning DMG equal to 50% Acheron’s ATK to a single enemy.
- Skill – Octobolt Flash: Gains 1 point(s) of Slashed Dream. Inflicts 1 stack(s) of Crimson Knot on a single target enemy, dealing Lightning DMG equal to 80% of Acheron’s ATK to this target, as well as Lightning DMG equal to 30% of Acheron’s ATK to adjacent targets.
- Ultimate – Slashed Dream Cries in Red: Sequentially unleash Rainblade 3 times and Stygian Resurge 1 time, dealing Lightning DMG up to 223% of Acheron’s ATK to a single target enemy, as well as Lightning DMG up to 180% of Acheron’s ATK to other targets.
- Rainblade: Deals Lightning DMG equal 14% to of Acheron’s ATK to a single target enemy and removes up to 3 stacks of Crimson Knot from the target. When Crimson Knot is removed, immediately deals Lightning DMG equal to 9% of Acheron’s ATK to all enemies. For every stack of Crimson Knot removed, the DMG Multiplier for this is additionally in creased, up to a maximum of 36%.
- Stygian Resurge: Deals Lightning DMG equal to 72% of Acheron’s ATK to all enemies and remove all Crimson Knots. Crimson Knot cannot be applied to enemies during the Ultimate.
- Talent – Atop Rainleaf Hangs Oneness: When Slashed Dream reaches 9 point(s), the Ultimate can be activated. During the Ultimate, reduces enemies’ Toughness regardless of Weakness Types and reduces all enemies’ All-Type RES by 10%, lasting until the end of the Ultimate.
- When any unit inflicts debuffs on an enemy target while using their ability, Acheron gains 1 point of Slashed Dream and inflicts 1 stack of Crimson Knot on the target. If debuffs are inflicted on multiple targets, then the 1 stack of Crimson Knot will be inflicted on the enemy target with the most Crimson Knot stacks. This effect can only trigger once per every ability usage.
- After an enemy target exits the field or gets defeated by any unit while Acheron is on the field, their Crimson Knot stacks will be transferred to the enemy target with the most Crimson Knot stacks on the whole field.
- Technique – Quadrivalent Ascendance: Immediately attacks the enemy, and gains Quadrivalent Ascendance at the start of every wave, dealing Lightning DMG equal to 200% of Acheron’s ATK to all enemies and reduces Toughness of all enemies irrespective of Weakness Types. When inflicting Weakness Break, triggers the Lightning Weakness Break effect.
- Quadrivalent Ascendance: The next time Acheron uses her Ultimate, she gains 1 points of Slashed Dream and inflicts 1 stack(s) of Crimson Knot on a single random enemy.If a normal enemy is attacked, they will be immediately defeated and will not enter combat. The Technique Point is not spent if the attack does not hit an enemy.
Passives
- Red Ogre: 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.
- The Abyss: 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.
- Thunder Core: 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.