Hysilens Profile, Skills, Traces and Eidolons

Introductions

Hysilens is a 5★ character with the Physical element who follows the Path of Nihility.
Styxia, the coastal city of intoxication and dreams, where echoes of old songs still drift among the waves.
Helektra, Daughter of the Sea, Chrysos Heir who cleanses the Ocean's Coreflame, dispels the murky undercurrents and orchestrates a feast of revelry for the heroes beyond the sky.
—The show must go on. Even if hope is as fragile as bubbles, the waves will keep surging forward.

Hysilens's Strengths & Weaknesses

Strengths

Exceptional damage in all content.

Easy to SPD Tune.

Very flexible for Team Compositions outside of needing Kafka.

Some of the best teams options do not use the same supports as every other DPS.

Very good on Auto.

Good 4★ Lightcone Options.

Strong E1 is good for Vertical Investment and is not mandatory for her kit to function.

Weaknesses

Ideally needs Kafka to be effective.

Ultimate Energy can be inconsistent without spending a lot of Skill Points.

Skills

Basic ATK

Aeolian Mode: Echoes in Still Waters

Single Target

Lv. 6

Energy gain: 20

Break: Main: 10.0

Deals Physical DMG equal to 100% of Hysilens's ATK to one designated enemy.

Skill

Overtone Hum: Chorus After Dark Tides

AoE

Lv. 10

Energy gain: 30

Break: Adjacent: 10.0

Has a 100% base chance to increase the DMG taken by all enemies by 20.0%, lasting for 3 turn(s). At the same time, deals Physical DMG equal to 140.0% of Hysilens's ATK to all enemies.

Ultimate

Maelstrom Rhapsody

AoE | 110 energy cost

Lv. 10

Energy gain: 5

Break: Adjacent: 20.0

Hysilens deploys a Zone that reduces enemy targets' ATK by 15.0% and DEF by 25.0%, and deals Physical DMG equal to 200% of Hysilens's ATK to all enemies.
For every 1 instance of DoT taken by an enemy target within the Zone, Hysilens deals Physical DoT equal to 80.0% of her ATK to them. This damage triggers at the start of each turn or after one attack by an ally target, up to 8 time(s). And it cannot repeatedly trigger this effect.
The Zone lasts for 3 turn(s) and this duration decreases by 1 at the start of this unit's every turn. When Hysilens gets knocked down, the Zone will also be dispelled.

Talent

Sirenic Serenade

Debuff

Lv. 10

Energy gain: -

When an ally target attacks, there is a 100% base chance for Hysilens to inflict the hit enemy target with one of the following states: Wind Shear, Bleed, Burn, or Shock. Priority is given to inflicting a different state.
While in the Wind Shear/Burn/Shock state, at the start of each turn, the enemy target takes Wind/Fire/Lightning DoT equal to 25.0% of Hysilens's ATK for 2 turn(s).
While in the Bleed state, at the start of each turn, the enemy target takes Physical DoT equal to 20.0% of their Max HP, up to 25.0% of Hysilens's ATK, lasting for 2 turn(s).

Technique

At Ocean's Abode

Debuff

Energy gain: -

After using Technique, creates a Special Dimension that lasts for 20 seconds and automatically moves forward. Enemies within the Special Dimension enter the "Soulstruck" state. "Soulstruck" enemies will not attack ally targets and will follow the dimension while it persists.
After entering combat with "Soulstruck" enemies, there is a 100% base chance to inflict each enemy target with 2 of the following states: Wind Shear/Bleed/Burn/Shock, all of which are equivalent to those provided by Hysilens's Talent effect. Only 1 Dimension Effect created by allies can exist at the same time.

Major Traces

The Gladius of Conquest

Major trace

At the start of combat, Hysilens deploys a Zone, equivalent to that provided by her Ultimate, lasting for 3 turn(s). Whenever Hysilens deploys a Zone, she recovers 1 Skill Point(s).

The Bubble of Banquets

Major trace

When Hysilens uses Ultimate, if the enemy target is currently afflicted with DoT(s), all DoTs currently applied on the target will immediately produce DMG equal to 150.0% of their original DMG.

The Fiddle of Pearls

Major trace

For every 10.0% of Hysilens's Effect Hit Rate that exceeds 60.0%, increases her DMG dealt by 15.0%, up to a max increase of 90.0%.

Minor Traces

SPD

+14

ATK

+18.0%

Effect Hit Rate

+10.0%

Eidolons

You Ask Why Hearts Cry

Eidolon 1

While Hysilens is on the field, ally targets deal DoT equal to 116.0% of the original DMG. When Hysilens inflicts Wind Shear/Bleed/Burn/Shock on enemies through her Talent, there is a 100% base chance to additionally inflict the target with 1 instance of Wind Shear/Bleed/Burn/Shock state that is identical to and can coexist with that of the original Talent effect.

Tell Me Why Waves Roar High

Eidolon 2

While the Zone is active, the DMG Boost effect from Trace "The Fiddle of Pearls" applies to all allies.

Why Do Lights Bid Goodbye

Eidolon 3

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

Lo, How Time Flows By

Eidolon 4

While the Zone is active, reduces All-Type RES of all enemies by 20.0%.

In Ablution, I Hum and Sigh

Eidolon 5

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

When to Return From Where You Lie

Eidolon 6

While the Zone is active, at the start of each turn or after one attack by an ally target, increases the maximum trigger count for Hysilens's Physical DoT effect to 12, and increases the multiplier of the DMG dealt by 20.0%.

Stats and Ascension Materials

Lv. 1

Base Stats

164

ATK

DEF

SPD

102

Ascension Materials

Credits

308000

Fear-Stomped Flesh

Courage-Torn Chest

Invasive Clot

Glory-Aspersed Torso

Hysilens Voice Actors

Rosie Day

Iwami Manaka

Fumeng Ruowei

Oh Eun-soo

Saeldur

Staff Author

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This guide was written by Saeldur, expert Honkai: Star Rail theorycrafter and guide writer for Icy Veins. Saeldur is a high-end HSR player with a deep understanding of the various characters while also clearing PF, MoC and AS when each cycle releases.