Not yet reviewed for the current version
Luuk Herssen Build Guide

Phase Transition
Build Priority
Stat Priority
Energy Regen (at least 120%)
Should you build Luuk Herssen?
Luuk Herssen is a Spectro Basic Attack damage dealer for Tune Strain teams. He applies Tune Strain - Shifting himself, gains damage against Interfered targets, and turns three Aureole of Execution casts into a stronger Liberation.
What to know before spending pulls
His complete aerial combo works at S0. A Tune Strain teammate matters because Interfered stacks enable his response scaling and let Pulses Under the Snow carry stacks from defeated enemies into a later Tune Break. His second listed team with Sanhua and Verina is a simpler Basic Attack option when the account lacks current Tune Strain supports.
Do you need the signature weapon?
Daybreaker's Spine is Luuk's featured weapon. At level 90 it has 588 ATK and 24.3% Crit Rate. Basic Attack damage grants 20% Spectro DMG Bonus, while applying Tune Strain - Shifting grants 20% Basic Attack DMG Amplification and 10% Basic Attack DEF ignore. Pulsation Bracer has the same ATK and Crit Rate; against a target under Tune Strain - Interfered, it builds up to 24% Basic Attack DMG Bonus. Daybreaker's Spine activates from Luuk's own Shifting application, while Pulsation Bracer needs the team to establish Interfered first.
Another character copy or the weapon?
S1 means Luuk's first Resonance Chain upgrade. It grants 150% Mid-air Attack DMG Bonus, lets Dawnlit Keep hold two stacks, and restores one Ward stack whenever Aureole of Execution is cast during Aureate Judge. Daybreaker's Spine instead strengthens his Spectro Basic Attacks after his normal Shifting triggers. S1 is valuable for the aerial parts of his loop and extra protection; the weapon supplies broader damage bonuses without changing the combo.
Advice for your account
Denia's Tune Strain mode helps create and maintain the status conditions Luuk uses. This supports his Interfered response scaling, his ATK increase after Shifting or Tune Break, and Pulsation Bracer if that is his weapon.
Make sure Interfered is active before Luuk's damage window. The weapon can reach four 6% Basic Attack DMG stacks, but only while he damages a target already under Tune Strain - Interfered.
Use the Sanhua and Verina team from his current guide. Sanhua supports Basic Attack damage, but this lineup does not automatically reproduce every Interfered-based benefit of the Tune Strain team.
Reviewed 2026-09-16 for game version 3.6
Rotation and troubleshooting
Easy rotation
Have another teammate use Outro into Luuk when Golden Rule is ready. This gives him 200 Ichor Flow; Intro adds another 100 and starts his aerial sequence. Complete Basic Attack Stage 4 or Mid-air Stage 3 to replace Resonance Skill with Aureole of Execution. Cast Ring, use the Golden Impale follow-up, rebuild to the trigger attack, then cast Breach and its Impale. Trigger the skill once more for Glare, then use Gavel of Earthshaker to detonate the Ichor Deposit. These three Aureole casts grant three Endnotes. Cast Rewritten in Winter's Margins before switching so the Liberation receives all three 25% multiplier increases.
Opening vs. repeat cycles
Golden Rule can grant 200 Ichor Flow only when another teammate uses Outro into Luuk, and the team receives Golden Rule again after 24 seconds. Intro itself restores 100, so an opener with both effects begins at the 300-point cap and immediately enters Aureate Judge. A repeat cycle without Golden Rule must rebuild more Ichor Flow through attacks and skills.
Why this skill priority
Resonance Skill and Forte Circuit lead because the three Aureole forms, Golden Impale, Ichor Deposit, Gavel of Earthshaker, Ichor Flow, and Aureate Judge form the main loop. Liberation is the payoff for the three Endnotes those skills create. Basic Attack connects every Aureole trigger and supplies most of his damage classification.
Required buffs and assumptions
The fast sequence assumes a teammate Outrows into Luuk while Golden Rule is ready and Luuk enters with Intro. Switching Luuk out resets the Aureole cycle, removes Endnotes, and cancels pending Golden Impale or Gavel follow-ups, so finish the sequence before leaving.
Energy Regen target
The build data recommends at least 120% Energy Regen. Three Endnotes disappear when Luuk switches, so delayed Liberation can force the player either to wait on-field or lose the fully prepared payoff.
Troubleshooting
Luuk starts with less than 300 Ichor Flow
Likely cause: The previous teammate did not Outro into him while Golden Rule was ready, or Intro was unavailable.
Check: Confirm the handoff used Outro and that Golden Rule's 24-second refresh had completed. Intro supplies the remaining 100 Flow.
Fix: Plan the support Outro directly into Luuk, then use Intro. Otherwise rebuild Flow through normal attacks and Resonance Skills.
Aureole of Execution resets to Golden Reflux
Likely cause: Luuk switched out before completing the three-form cycle.
Check: Watch whether the rotation leaves Luuk between Ring, Breach, and Glare.
Fix: Keep him active through all three forms, their follow-ups, and Liberation.
Rewritten in Winter's Margins lacks the full Endnotes increase
Likely cause: Fewer than three Aureole forms were cast, or switching removed the stacks.
Check: Count Ring, Breach, and Glare. Each grants one Endnote, up to three.
Fix: Complete all three forms and cast Liberation before switching characters.
Reviewed 2026-09-16 for game version 3.6
Resonance Skill
Resonance Liberation
Normal Attack
Forte Circuit
Intro Skill
Resonance Skill
Resonance Liberation
Normal Attack
Forte Circuit
Intro Skill
Such is Light
NORMAL ATTACK

Spark from the Frost
FORTE CIRCUIT

Before Injection of Dawn
INTRO SKILL

Reunion of All the Fallen
RESONANCE SKILL

Rewritten in Winter's Margins
RESONANCE LIBERATION

Bow to the Last Light
OUTRO SKILL
Weapons
Daybreaker's SpineSignatureATK 588Crit. Rate 24.3%Increases ATK by 12%. After dealing Basic Attack DMG, the wielder gains 20% Spectro DMG Bonus for 4s. Each time after the wielder inflicts Tune Strain - Shifting on the target, they gain 20% Basic Attack DMG Amplification and their Basic Attack DMG ignores 10% of the target's DEF for 6s.BiS
Pulsation BracerATK 588Crit. Rate 24.3%Increases ATK by 12%. Dealing damage to targets under Tune Strain - Interfered grants 6% Basic Attack DMG Bonus for 3s, stacking up to 4 times. This effect can be triggered 1 {Cus:Sap,S=time P=times SapTag=5} every 0.5s. Retriggering the effect resets its duration.
Blazing JusticeATK 588Crit. DMG 48.6%Increases ATK by 12%. Casting Basic Attack grants the following effects: Dealing damage ignores 8% of the target's DEF and Amplifies Spectro Frazzle DMG dealt by 50% for 6s. Retriggering the effect resets its duration.
Abyss SurgesATK 588ATK 36.5%Increases Energy Regen by 12.8%. When hitting a target with Resonance Skill, increases Basic Attack DMG Bonus by 10%, lasting for 8s. When hitting a target with Basic Attacks, increases Resonance Skill DMG Bonus by 10%, lasting for 8s.Echo Sets
+30% Spectro DMG after Basic hits; at 3 stacks, +40% Basic Attack DMG after Liberation
+30% Spectro DMG for 15s after Intro Skill
Echo Main Stats Recommendation
Echo Substat Priority
Energy Regen (at least 120%)
Ascension · Level 90
170K
46
60
4
12
12
4Talent Materials · All Skills Maxed
2030K
25
28
55
67
25
28
40
57
26These are example teams, not the only ones. Any Resonator can work in other comps too.








