Theorylytics
SpectroGauntletsMain DPS★★★★★ 5-Star

Luuk Herssen

Luuk Herssen

Published 2026-07-20 · Updated 3.5+
Content Ratings
ToAA
WhiWaA
OverworldA
Should You Pull?YES

Yes for Spectro on-field burst—Luuk Herssen’s Liberation is the clear plan. Liberation “Rewritten in Winter's Margins” routes damage through mid-air / plunging attack chains. Best with Shorekeeper / Verina / Zhezhi. Needs Spectro amp and Concerto online before the Liberation window. Skip when Spectro carries already cover both endgame sides.

Luuk Herssen is a 5★ Spectro Main DPS who fights with a Gauntlets. Liberation “Rewritten in Winter's Margins” routes damage through mid-air / plunging attack chains. Forte “Spark from the Frost” times Forte Detonate against Ice/Glacio setups for amplified basics.

SpectroGauntletsMain DPS5★Outro AmpTune

Overview

Quick Build

Weapon

Pulsation Bracer

Signature option — largest personal spike once Liberation “Rewritten in Winter's Margins” is online.

Echo Set

Celestial Light (5pc)

Default Sonata match for this role/element package.

4-Cost

CRIT Rate / CRIT DMG

Main stat

3-Cost

Spectro DMG

Main stat

1-Cost

ATK%

Substats

CRIT Rate ≥ CRIT DMG > ATK% > Energy Regen

Strengths

  • Liberation “Rewritten in Winter's Margins” routes damage through mid-air / plunging attack chains — that window is where Luuk Herssen’s clear speed actually shows up.
  • Forte “Spark from the Frost” times Forte Detonate against Ice/Glacio setups for amplified basics, so resource banking is mandatory, not optional filler.
  • Aerial / plunge routes give flexible dodge and reposition options mid-combo.
  • Dodge Counter recoveries let you rejoin the combo after a mistimed i-frame.

Weaknesses

  • Field-time hungry once Liberation “Rewritten in Winter's Margins” is up — double-DPS swaps dilute the dump window.
  • Wants dedicated supports and ER planning; dropped into a random squad, Liberation uptime falls off a cliff.

Forte Priority

1
Rewritten in Winter's MarginsHighest

“Rewritten in Winter's Margins” — routes damage through mid-air / plunging attack chains. Level first.

2
Spark from the FrostHighest

“Spark from the Frost” — times Forte Detonate against Ice/Glacio setups for amplified basics.

3
Reunion of All the FallenHigh

Primary generator / setup tool for Liberation and Forte.

4
Before Injection of DawnMedium

Opens rotations and often refunds Concerto or setup buffs.

5
Bow to the Last LightMedium

Team amp or handoff — important for supports, lower for selfish DPS.

Stat Priority

1
CRIT Rate~70–80% in combat
2
CRIT DMG160%+ (200%+ with signature)
3
ATK%High ATK before ER padding
4
Energy RegenEnough for Liberation uptime
5
Spectro DMG3-cost Echo main
Rotation
General

Build Concerto on supports → Intro Luuk Herssen → “Reunion of All the Fallen” / “Spark from the Frost” resource loop → “Rewritten in Winter's Margins” dump → “Bow to the Last Light” or swap as needed.

S0+

Refine timings once you learn Concerto breakpoints for your specific team.

Weapons

1

CRIT / ATK (signature)

Signature Gauntlets tuned to Luuk Herssen's kit.

Why it works —Best-in-slot when you own it — pull only if you are committing to Liberation “Rewritten in Winter's Margins” long-term.

2
Standard 5★ GauntletsA

CRIT Rate / ATK%

Any well-refined 5★ Gauntlets with CRIT or ATK.

Why it works —Flexible premium stand-in while farming signature.

3
StonardBF2P Best

ATK% / Energy Regen

Accessible Gauntlets option for early investment.

Why it works —Best F2P path — refine and swap off once a 5★ lands.

Echoes

SCelestial LightBest in Slot
Spectro DMG5pc
2PC2pc bonuses as listed in-game for this Sonata.
5PC5pc completes the set identity — farm this set first for the role.
Element-matched 5pc for Spectro DPS.
ALingering Tunes
ATK%5pc
2PC2pc bonuses as listed in-game for this Sonata.
5PC5pc completes the set identity — farm this set first for the role.
General ATK set when element 5pc is unfinished.
BMoonlit CloudsFarmable
Energy Regen5pc
2PC2pc bonuses as listed in-game for this Sonata.
5PC5pc completes the set identity — farm this set first for the role.
Temporary ER set if Liberation uptime is the bottleneck.

Team Compositions

Luuk Herssen

Luuk Herssen

Main DPS

Denia

Denia

Main DPS

Mornye

Mornye

Main DPS

Premium Luuk Herssen shell: Denia brings All-DMG amp; Mornye brings All-DMG amp. Rotation: open Denia / Mornye for Concerto → Intro Luuk Herssen → Liberation / Forte dump. With Sanhua, if necessary extend Luuk's rotation after his Ultimate by adding in extra Mid-air Attacks to ensure he and the rest of his team operate

Character Synergy
Luuk Herssen
Luuk HerssenMain DPS

Luuk Herssen is the on-fielder — bank Concerto on Denia / Mornye, Intro in, then dump Liberation / Forte inside their amp windows.

Denia
DeniaMain DPS

Denia is the overall strongest due to extra Tune Strain application, massive buffing and personall damage, constant off-field grouping and a fast rotation, all very strong points for Luuk.

Mornye
MornyeMain DPS

Mornye is always the strongest since Luuk applies his own Tune Strain for Mornye to bounce off of and buff him to the max of her abilities, even at S0.

Forte & Resonance Chain

Forte

Normal AttackSuch is Light

Basic Attack Perform up to 4 consecutive attacks, dealing Spectro DMG. Hurl out a whirling blade on Stage 3, which disappears when Luuk Herssen casts other skills that can deal damage or leaves the field. Heavy Attack Consume STA to jump into the air, dealing Spectro DMG. Mid-air Attack Perform up to 4 consecutive attacks in mid-air, dealing Spectro DMG. Stage 4 is a Plunging Attack at the cost of STA. Press Normal Attack or Jump to perform Basic Attack Stage 2 and 3 in mid-air. Luuk Herssen attacks with Scythe: Dissection when the input is Normal Attack. Luuk Herssen attacks with Scythe: Resection when the input is Jump. He also inflicts Tune Strain - Shifting on the target hit for 25s and reduces DMG taken by 15% for 1s. As the active Resonator, while in mid-air, this skill's cycle will not be reset. While in mid-air, hold Normal Attack to perform a Plunging Attack at the cost of STA. Dodge Counter Press Normal Attack right after a successful Dodge on the ground to deal Spectro DMG. Press Normal Attack right after casting this skill to cast Basic Attack Stage 3. Press Normal Attack right after a successful Dodge in mid-air to flash toward the target, dealing Spectro DMG.

Resonance SkillReunion of All the Fallen

Golden Reflux Flash toward the target and deal Spectro DMG. Inflict Tune Strain - Shifting on the target hit for 25s. Golden Reflux has 2 charges. Can be cast in mid-air. Aureole of Execution Casting Basic Attack Stage 4 or Mid-air Attack Stage 3 replaces Resonance Skill with Aureole of Execution, which deals Basic Attack DMG and inflicts Tune Strain - Shifting on the target hit for 25s. Aureole of Execution has 3 forms, including Aureole of Execution: Ring, Aureole of Execution: Breach, and Aureole of Execution: Glare. Casting any form of Aureole of Execution grants 1 stacks of Endnotes on the Endgame and switches Aureole of Execution to the next form in sequence. Switching to another Resonator resets the cycle of Aureole of Execution and Resonance Skill is reset to Golden Reflux. Can be cast in mid-air. Aureole of Execution: Ring Deal Spectro DMG, and reset the Mid-air Attack cycle to Stage 1. The next Normal Attack triggers Basic Attack - Golden Impale. Basic Attack - Golden Impale is no longer available if Dodge Counter is cast in mid-air or Luuk Herssen is switched out in the duration. Aureole of Execution: Breach Spin and dash forward, dealing Spectro DMG to enemies along the path and resetting the Mid-air Attack cycle to Stage 1. Then, hurl out an Ichor Blade. The next Normal Attack triggers Basic Attack - Golden Impale. Basic Attack - Golden Impale is no longer available if Dodge Counter is cast in air or Luuk Herssen is switched out in the duration. Aureole of Execution: Glare Hurl out Solid-State Ichor, dealing Spectro DMG and forming an Ichor Deposit on the ground. Basic Attack - Golden Impale Flash toward the target and deal Spectro DMG, considered Basic Attack DMG. Ichor Deposit Ichor Deposit detonates automatically after 5s, dealing Spectro DMG, considered Basic Attack DMG. Endnotes on the Endgame Increase the DMG Multiplier of Resonance Liberation Rewritten in Winter's Margins by 25%, stacking up to 3 times. Casting Rewritten in Winter's Margins or switching to another Resonator removes all stacks.

Resonance LiberationRewritten in Winter's Margins

Deal Spectro DMG, considered Basic Attack DMG. Can be cast in mid-air.

Intro SkillBefore Injection of Dawn

Deal Spectro DMG. Hurl out an Ichor Blade and inflict Tune Strain - Shifting on the target. Press Normal Attack after this skill to cast Mid-air Attack Stage 2 - Scythe: Dissection or Jump to cast Mid-air Attack Stage 2 - Scythe: Resection.

Outro SkillBow to the Last Light

Deal Spectro DMG equal to 500% of Luuk Herssen's ATK.

Tune BreakSilent Debate of Light

Luuk Herssen can inflict Tune Strain - Shifting on targets. Luuk Herssen can respond to Tune Strain - Interfered. When responding to Tune Strain - Interfered: For each stack of Tune Strain - Interfered on the target, each point of Luuk Herssen's Tune Break Boost increases his total DMG against the target by 0.12%. While Luuk Herssen is in the team, the max stack limit of Tune Strain - Interfered on a target is increased by 1. When the target's Off-Tune Level is full, Luuk Herssen can cast Tune Break on the target.

Forte CircuitSpark from the Frost

Mid-air Attack - Gavel of Earthshaker When the Solid-State Ichor of Resonance Skill Aureole of Execution: Glare is hurled out, press Normal Attack in mid-air to cast Mid-air Attack - Gavel of Earthshaker. Slam down from the air to detonate the Ichor Deposit, dealing Spectro DMG (considered Basic Attack DMG) and recovering all STA. Mid-air Attack - Gavel of Earthshaker is no longer available when Resonance Liberation Rewritten in Winter's Margins is cast or Luuk Herssen is switched off the field. Aureate Judge With full Ichor Flow, enter the Aureate Judge state. In this state, Luuk Herssen gains the following effects: - Ichor Flow does not restore. The DMG Multipliers of all forms of Resonance Skill Aureole of Execution increase by 110%. - Casting Aureole of Execution: Glare increases the DMG Multiplier of the next Mid-air Attack - Gavel of Earthshaker and Ichor Deposit DMG by 110%. - 100 points of Ichor Flow is consumed each time Resonance Skill Aureole of Execution is cast. - Aureate Judge ends when Ichor Flow depletes. Golden Rule When Luuk Herssen is in the team, all other Resonators in the team gain Golden Rule. When Resonators with Golden Rule cast Outro Skill and the incoming Resonator is Luuk Herssen, remove all Golden Rules on Resonators in the team and grant Luuk Herssen 200 points of Ichor Flow and 12 points of Concerto Energy. Resonators in the team gain Golden Rule again after 24s. This effect does not apply in Co-op Mode. Dawnlit Keep Luuk Herssen gains 1 stacks of Dawnlit Keep when he stays out of combat for over 4s or casts Intro Skill Before Injection of Dawn. Dawnlit Keep is capped at 1 stack. When taking damage from enemies, consume 1 stacks of Dawnlit Keep to reduce the DMG taken by 60% and gain immunity to interruptions for 1s. This effect can be triggered once per second. Radiant Reave When Luuk Herssen performs Dodge in mid-air, he briefly stays airborne and hurls out an Ichor Blade. Luuk Herssen consumes STA continuously while airborne. If Luuk Herssen is launched into mid-air, press Dodge before landing to trigger this effect, up to 3 times. When he is on the ground or switched out for more than 3s, the trigger count is reset. Ichor Blade Deal fixed Spectro DMG, considered Basic Attack DMG that is not affected by any DMG Bonus. Only one Ichor Blade can exist at a time. It cannot trigger Counterattack. Ichor Blade cannot be launched without a nearby target. Ichor Blade disappears when Luuk Herssen casts other skills that deal damage or leaves the field. Ichor Flow Luuk Herssen holds up to 300 points of Ichor Flow. Normal Attacks, Resonance Skill Golden Reflux, Resonance Skill Aureole of Execution, Basic Attack - Golden Impale, and Mid-air Attack - Gavel of Earthshaker restore Ichor Flow on hit. Casting Intro Skill Before Injection of Dawn restores 100 points of Ichor Flow.

Inherent SkillPulses Under the Snow

When Resonators in the team directly damage and defeat targets, if the targets are affected by Tune Strain - Interfered: - If Luuk Herssen has no Perpetuating Daytime, gain stacks of Perpetuating Daytime equal to the stacks of Tune Strain - Interfered. - If Luuk Herssen already has Perpetuating Daytime, and the target's stacks of Tune Strain - Interfered exceed the current stacks of Perpetuating Daytime, increase Perpetuating Daytime's stacks to match the target's Tune Strain - Interfered stacks. Perpetuating Daytime - When Resonators in the team casts Tune Break, if the target is affected by Tune Strain - Shifting, Luuk Herssen loses all stacks of Perpetuating Daytime, then apply equal stacks of Tune Strain - Interfered on the target, up to the target's current Tune Strain - Interfered stack cap. Cooldown: 1s. Luuk Herssen loses all stacks of Perpetuating Daytime and will not be able to obtain any new stacks when knocked out. - Perpetuating Daytime stacks up to 2 times.

Inherent SkillUncaused Diagnosis

When Luuk Herssen's skills directly damage targets affected by Tune Strain - Interfered, every 10 points of Tune Break Boost he has Amplifies this instance of damage by 5%, up to 30%. After any nearby Resonator in the team inflicts Tune Strain - Shifting on the enemies or deals Tune Break DMG, Luuk Herssen's ATK increases by 25% for 20s.

Inherent SkillSkillful Cooking

Has a chance to produce special dishes when cooking.

Resonance Chain

1
S1
2
S2
3
S3
4
S4
5
S5
6
S6
S1Gold Kindled in Ash

Luuk Herssen gains 150% Mid-air Attack DMG Bonus. The max stack limit of Dawnlit Keep is increased by 1. When in the Aureate Judge state, casting Resonance Skill Aureole of Execution grants 1 stacks of Dawnlit Keep.

Is it worth getting?

Modest S1: Adds RES / DEF shred or a large DMG Bonus clause. Helpful padding, not a build-defining unlock.

S2Avalanche Roaring in EyesPull Target

The DMG Multiplier of Resonance Liberation Rewritten in Winter's Margins is increased by 60%. This DMG Multiplier increase effect is stackable with that of Endnotes on the Endgame. Inherent Skill Uncaused Diagnosis is enhanced: When Luuk Herssen deals damage to targets inflicted with Tune Strain - Interfered, every 10 points of Tune Break Boost he has now Amplify this instance of damage by 10%. This effect now increases the DMG Amplification up to 60% instead of 30%.

Is it worth getting?

Stat-leaning S2: Extra Amplification on Liberation / attribute damage. Clear damage, but it does not rewrite Luuk Herssen’s rotation the way a mechanic Sequence would.

S3Spine Tempered by Golden Rain

The DMG Multipliers of all forms of Resonance Skill Aureole of Execution are increased by 136% in the Aureate Judge state. Casting Aureole of Execution: Glare increases the DMG Multipliers of the next Mid-Attack - Gavel of Earthshaker and Ichor Deposit by 136%. Inherent Skill Pulses Under the Snow is enhanced: Perpetuating Daytime now stacks up to 4 times.

Is it worth getting?

Situational S3: Adds RES / DEF shred or a large DMG Bonus clause.

S4Pulse Thrumming Under Rime

After a Resonator in the team deals Tune Break DMG, all Resonators in the team deal 20% more DMG for 20s. This effect is unstackable.

Is it worth getting?

Side-grade: Adds RES / DEF shred or a large DMG Bonus clause. Happy if it drops; not a planned stopping point.

S5Through the Stillness of SnowstormSkip

Intro Skill Before Injection of Dawn and Outro Skill Bow to the Last Light gain 80% DMG Bonus. Resonance Skill Golden Reflux has its DMG Multiplier increased by 50% and Cooldown reduced by 2s, and gains 1 more charge.

Is it worth getting?

Late luxury: Adds RES / DEF shred or a large DMG Bonus clause. Grab it if you overshoot toward S6 — never hard-pity for S5 alone.

S6Dawn Unfurling over FrostlandsSkip

When nearby Resonators in the team deal Tune Break DMG, all forms of Resonance Skill Aureole of Execution, Ichor Deposit, and Mid-air Attack - Gavel of Earthshaker deal 30% more DMG to the target for 25s. Each stack of Endnotes on the Endgame additionally grants Resonance Liberation Rewritten in Winter's Margins 40% DMG Bonus, up to 120%. When Luuk Herssen deals damage to targets inflicted with Tune Strain - Interfered, the stack count of Tune Strain - Interfered on the target is increased by 2. This effect ignores the max stack limit.

Is it worth getting?

Whale ceiling: Adds RES / DEF shred or a large DMG Bonus clause. Only chase if Luuk Herssen is your dedicated main and S0–S2 already feel finished.

Luuk Herssen is fully usable at S0. Most dedicated mains stop at S2 before chasing higher Wavebands. First stop: S2. Endgame target: S2.

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