Theorylytics
FusionBroadbladeMain DPS★★★★★ 5-Star

Mornye

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

Yes for Fusion all-DMG amp—Mornye is a long-window Fusion enabler. Liberation “Critical Protocol” restores HP across threatened allies while banking Concerto. Best with Changli / Lupa / Brant. Long All-DMG Outro wants a real Fusion on-fielder after her—don’t outro into dead air. Skip when Fusion amp seats are already full.

Mornye is a 5★ Fusion Main DPS who fights with a Broadblade. Liberation “Critical Protocol” restores HP across threatened allies while banking Concerto. Forte “Mass-Energy Equivalence” enters Wide Field Observation Mode.

FusionBroadbladeMain DPS5★Outro AmpHealingTune

Overview

Quick Build

Weapon

Radiance Cleaver

Signature option — largest personal spike once Liberation “Critical Protocol” is online.

Echo Set

Molten Rift (5pc)

Default Sonata match for this role/element package.

4-Cost

CRIT Rate / CRIT DMG

Main stat

3-Cost

Fusion DMG

Main stat

1-Cost

ATK%

Substats

CRIT Rate ≥ CRIT DMG > ATK% > Energy Regen

Strengths

  • Liberation “Critical Protocol” restores HP across threatened allies while banking Concerto — that window is where Mornye’s clear speed actually shows up.
  • Forte “Mass-Energy Equivalence” enters Wide Field Observation Mode, so resource banking is mandatory, not optional filler.
  • Outro “Recursion” resonators in the team gain 25% all dmg amplification for 30s — swap timing is part of the damage plan, not just Concerto filling.
  • Aerial / plunge routes give flexible dodge and reposition options mid-combo.

Weaknesses

  • Field-time hungry once Liberation “Critical Protocol” 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
Critical ProtocolHighest

“Critical Protocol” — restores HP across threatened allies while banking Concerto. Level first.

2
Mass-Energy EquivalenceHighest

“Mass-Energy Equivalence” — enters Wide Field Observation Mode.

3
ResolutionHigh

Primary generator / setup tool for Liberation and Forte.

4
ConvergenceMedium

Opens rotations and often refunds Concerto or setup buffs.

5
RecursionMedium

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
Fusion DMG3-cost Echo main
Rotation
General

Build Concerto on supports → Intro Mornye → “Resolution” / “Mass-Energy Equivalence” resource loop → “Critical Protocol” dump → “Recursion” or swap as needed.

S0+

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

Weapons

1

CRIT / ATK (signature)

Signature Broadblade tuned to Mornye's kit.

Why it works —Best-in-slot when you own it — pull only if you are committing to Liberation “Critical Protocol” long-term.

2
Standard 5★ BroadbladeA

CRIT Rate / ATK%

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

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

3
DiscordBF2P Best

ATK% / Energy Regen

Accessible Broadblade option for early investment.

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

Echoes

SMolten RiftBest in Slot
Fusion 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 Fusion 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

Premium Mornye shell: Luuk Herssen is the Dual-DPS / quickswap partner; Denia brings All-DMG amp. Rotation: open Luuk Herssen / Denia for Concerto → Intro Mornye → Liberation / Forte dump.

Character Synergy
Mornye
MornyeMain DPS

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

Luuk Herssen
Luuk HerssenMain DPS

Luuk Herssen shares field time with Mornye — trade Intro / Outro so both Liberation windows get amp coverage.

Denia
DeniaMain DPS

Denia grants team-wide All-DMG Amplification — a generalist amp seat that stacks cleanly into Mornye’s Liberation.

Forte & Resonance Chain

Forte

Normal AttackGround State Calibration

Basic Attack Perform up to 4 consecutive attacks, dealing Fusion DMG. Heavy Attack Consume STA to attack the target, dealing Fusion DMG. Basic Attack - Wide Field Observation Mode While in Wide Field Observation Mode, Basic Attack is replaced with Basic Attack - Wide Field Observation Mode. Perform up to 3 consecutive attacks, dealing Fusion DMG. Mid-air Attack Consume STA to perform Mid-air Plunging Attack, dealing Fusion DMG. Press Normal Attack within a certain time afterward to cast Basic Attack Stage 3. Dodge Counter Press Normal Attack right after a successful Dodge to attack the target, dealing Fusion DMG. Press Normal Attack shortly after performing this attack to perform Basic Attack Stage 2. Dodge Counter - Wide Field Observation Mode While in Wide Field Observation Mode, Dodge Counter is replaced with Dodge Counter - Wide Field Observation Mode. Press Normal Attack right after a successful Dodge to counterattack and deal Fusion DMG. Within a certain time afterward, press Normal Attack to cast Basic Attack - Wide Field Observation Mode Stage 3.

Resonance SkillResolution

Expectation Error Heal all nearby Resonators in the team and enter the Parry state, during which DMG taken is reduced by 100% for a time. Switching to another Resonator ends this state immediately. If attacked while in the Parry state, exit the state and cast Resonance Skill - Optimal Solution. If not attacked while in the Parry state, press Normal Attack to exit the state and cast Basic Attack Stage 2. Optimal Solution Stagnate nearby targets and deal Fusion DMG, reducing the cooldown of Resonance Skill - Expectation Error by 2s. Switching to another Resonator ends the Stagnation effect early. Distributed Array While in Wide Field Observation Mode, Resonance Skill is replaced with Resonance Skill - Distributed Array. Heal all nearby Resonators in the team and summon Hover Cannons to strike the target, dealing Fusion DMG.

Resonance LiberationCritical Protocol

Attack the targets within the effective range, dealing Fusion DMG. For every 1% of Mornye's Energy Regen exceeding 100%, this skill gains an additional 0.5% Crit. Rate (up to 80%) and 1% Crit. DMG (up to 160%). When casting this skill, if a Syntony Field is present, remove it and generate a High Syntony Field. Can be performed in mid-air. High Syntony Field - High Syntony Field lasts for 25s. - Increases the DEF of all nearby Resonators in the team within the High Syntony Field by 20%. - Inherits the Syntony Field's boost to resistance to interruption and Off-Tune Buildup Rate. - Inherits the Syntony Field's healing effect and increases the Healing Multiplier by 40%.

Intro SkillConvergence

Attack the target to deal Fusion DMG, then jump into mid-air, clearing all Rest Mass Energy and entering Wide Field Observation Mode.

Outro SkillRecursion

Resonators in the team gain 25% All DMG Amplification for 30s.

Tune BreakDecoupling

Mornye can respond to Tune Rupture - Interfered and Tune Strain - Interfered. - Responding to Tune Rupture - Interfered: When any Resonator in the team deals Tune Break DMG and inflicts Tune Rupture - Interfered, Mornye casts Tune Rupture Response - Particle Jet. Each target can be damaged by this skill up to once every 8s. - Responding to Tune Strain - Interfered: Each stack of Tune Strain - Interfered on the target increases Mornye's total DMG against them. Each point of Mornye's Tune Break Boost increases the total DMG by 0.12%. While Mornye is in the team, the max stack limit of Tune Strain - Interfered on a target is increased by 1. Mornye can perform Tune Break against the targets with full Off-Tune Level.

Forte CircuitMass-Energy Equivalence

Baseline Mode While in her default Baseline Mode, Mornye gains Rest Mass Energy. Heavy Attack - Geopotential Shift When Rest Mass Energy reaches 100 points, Heavy Attack is replaced with Heavy Attack - Geopotential Shift. Cast Heavy Attack - Geopotential Shift to deal Fusion DMG, considered Heavy Attack DMG. Afterward, Mornye jumps into mid-air, consumes all Rest Mass Energy and enters Wide Field Observation Mode. Wide Field Observation Mode Wide Field Observation Mode lasts for 30s. - Upon entering Wide Field Observation Mode, Mornye generates a Syntony Field. - While in Wide Field Observation Mode, Mornye gains Relative Momentum. - If Relative Momentum is below 100 when holding Normal Attack, perform Basic Attack - Wide Field Observation Mode Stage 1 to 3 in sequence. If Relative Momentum reaches 100 during this time, cast Heavy Attack - Inversion instead. - While moving, Mornye continuously consumes STA. STA cannot be recovered while in Wide Field Observation Mode. - When Dodging with directional input, Mornye starts to fly at speed, which lasts for up to 10s or until STA is depleted or until the Wide Field Observation Mode ends. - When Mornye is hit or launched into mid-air, press Dodge to immediately recover from the attack, which is considered a successful Dodge. This effect can be triggered up to 3 times, which resets when Wide Field Observation Mode ends. - Press Jump and Mornye will slowly descend. Before she lands, Basic Attack - Wide Field Observation Mode, Resonance Skill - Distributed Array, and Heavy Attack - Inversion are unavailable. If Jump is pressed when Mornye runs out of STA, she will exit the Wide Field Observation Mode. She will leave the Wide Field Observation Mode also when she Dodges, Jumps, or performs Mid-air Attacks. Additionally, performing environmental interactions, using Utilities, or switching to another Resonator ends Wide Field Observation Mode. The state also ends when Mornye is no longer airborne. Syntony Field - Syntony Field lasts for 25s. - When the Syntony Field is generated, deal Fusion DMG, considered Resonance Liberation DMG. - Continuously restores HP for nearby active Resonators in the team within the Syntony Field, triggered once every 3s. - Increases the Off-Tune Buildup Rate of all nearby Resonators in the team within the Syntony Field by 50%. - Enhances the resistance to interruption of nearby active Resonators in the team within the Syntony Field. Heavy Attack - Inversion - When Relative Momentum reaches 100 points, Heavy Attack is replaced with Heavy Attack - Inversion. - Consume all Relative Momentum to cast Heavy Attack - Inversion, dealing Fusion DMG, considered Heavy Attack DMG. - Heavy Attack - Inversion inflicts Observation Marker upon the target on hit for 30s. Observation Marker When a Resonator in the team deals Tune Break DMG to a target inflicted with Observation Marker, Mornye inflicts an Interfered Marker on the target for 8s. Interfered Marker Targets affected by Tune Rupture - Interfered or Tune Strain - Interfered take increased DMG from all nearby Resonators in the team. For every 1% of Mornye's Energy Regen exceeding 100%, their DMG is increased by 0.25%, up to 40%. Visual Field When a Resonator in the team defeats a target inflicted with Observation Marker or Interfered Marker, Mornye gains Visual Field for 3s. While in this state, Mornye inflicts Observation Marker on the target hit whenever any Resonator in the team deals damage. Tune Rupture Response - Particle Jet Mornye deals one instance of Fusion DMG to targets in the Tune Rupture - Interfered state within range, considered Tune Rupture DMG. Rest Mass Energy Mornye can hold up to 100 points of Rest Mass Energy. While in Baseline Mode, she gains Rest Mass Energy when performing Basic Attack, Heavy Attack, Dodge Counter, or when Resonance Skill - Optimal Solution hits a target. Relative Momentum Mornye can hold up to 100 points of Relative Momentum. While in Wide Field Observation Mode, she gains Relative Momentum when Basic Attack - Wide Field Observation Mode, Dodge Counter - Wide Field Observation Mode or Resonance Skill - Distributed Array hits the target. Mornye cannot gain Relative Momentum during Heavy Attack - Inversion.

Inherent SkillBlueprint

Mornye's Energy Regen is increased by 10%. Casting Intro Skill - Convergence restores 20 points of Concerto Energy, triggered once every 20s. Casting Basic Attack - Wide Field Observation Mode Stage 3 restores 20 points of Concerto Energy, triggered once every 20s.

Inherent SkillBoundedness

Casting Resonance Skill - Expectation Error or Resonance Skill - Distributed Array grants Proof of Boundedness to all Resonators in the team: - Proof of Boundedness lasts for 60s and can be gained once every 5 min. - When the active Resonator takes DMG greater than 30% of their Max HP, they instead take DMG equal to 30% of their Max HP. This effect can trigger up to 3 times. Proof of Boundedness is removed after triggering it 3 times. - When the active Resonator takes a fatal blow, they are not downed by this instance of damage. This effect can trigger up to 1 times. Proof of Boundedness is removed after triggering it 1 times. - When Proof of Boundedness is removed, the active Resonator restores HP equal to 150% of Mornye's DEF.

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
S1The Silent Observer

Basic Attack – Wide Field Observation Mode becomes immune to interruption. The duration of Interfered Marker is extended by 150%. Interfered Marker now grants DMG increase even when the target is not affected by Tune Rupture - Interfered or Tune Strain - Interfered. When Mornye applies Observation Marker on a target, she also inflicts Interfered Marker.

Is it worth getting?

Modest S1: Basic Attack – Wide Field Observation Mode becomes immune to interruption. Helpful padding, not a build-defining unlock.

S2Morning Star of EntropyPull Target

All nearby Resonators in the team gain Crit. DMG increase against targets with Interfered Marker: Every 1% of Mornye's Energy Regen over 100% grants 0.2% Crit. DMG increase, up to 32%. Syntony Field and High Syntony Field further increase the Off-Tune Buildup Rate of all nearby Resonators in the team by 20%.

Is it worth getting?

Stat-leaning S2: Refunds Energy / Concerto / Forte resources mid-rotation. Clear damage, but it does not rewrite Mornye’s rotation the way a mechanic Sequence would.

S3Blueprint of Recursion

Casting Resonance Skill - Distributed Array additionally restores 25 points of Concerto Energy and 100 Relative Momentum, triggered once every 25s.

Is it worth getting?

Situational S3: Refunds Energy / Concerto / Forte resources mid-rotation.

S4Latent Variables of the Cosmos

The healing of High Syntony Field is increased by 30%.

Is it worth getting?

Side-grade: Stronger heal radius, uptime, or Stellarealm sustain. Happy if it drops; not a planned stopping point.

S5Time Dilation EffectSkip

The DMG Multiplier of Resonance Liberation - Critical Protocol is increased by 40%. The DMG Multiplier of Tune Rupture Response - Particle Jet is increased by 160%.

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.

S6To the Far Shores of the StarsSkip

Resonance Liberation - Critical Protocol deals 400% more DMG. If Mornye has not engaged in combat for over 4s, she restores Resonance Energy equal to 10% of her Max Resonance Energy every 0.2s.

Is it worth getting?

Whale ceiling: Refunds Energy / Concerto / Forte resources mid-rotation. Only chase if Mornye is your dedicated main and S0–S2 already feel finished.

Mornye 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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