Such is Light

— Normal Attack

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. 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 Normal Attack right after a successful Dodge on the ground to deal Spectro DMG. Normal Attack right after casting this skill to cast Basic Attack Stage 3. Normal Attack right after a successful Dodge in mid-air to flash toward the target, dealing Spectro DMG.

Reunion of All the Fallen

— Resonance Skill

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 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.

Rewritten in Winter's Margins

— Resonance Liberation

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

Silent Debate of Light

— Tune Break

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.

Spark from the Frost

— Forte Circuit

Mid-air Attack - Gavel of Earthshaker When the Solid-State Ichor of Resonance Skill Aureole of Execution: Glare is hurled out, 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 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 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, 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.