The Wuthering Waves Mortefi best build turns this 4-star Fusion Pistol user into one of the strongest off-field sub-DPS supports in the game. Mortefi gets on the field fast, fires up his Resonance Liberation, and swaps out. His Liberation then keeps dealing Coordinated Attack damage off-field while your main DPS takes over. His Outro Skill also applies a 38% Heavy Attack DMG amplification buff to whoever comes in next. That makes him the go-to pick for any team built around Heavy Attack damage. This guide is updated for Wuthering Waves version 3.4 and covers everything you need to maximize Mortefi’s value.
Mortefi TL;DR — Quick Build Summary
- Mortefi is a 4-star Fusion sub-DPS who deals off-field Coordinated Attack damage via his Liberation.
- His Outro Skill applies a 38% Heavy Attack DMG amplification to the next resonator.
- Best weapon: Static Mist (5-star) or Cadenza / Overture (4-star).
- Best Echo set: Moonlit Clouds (5-piece) for support, or Molten Rift hybrid for more personal damage.
- Best main Echo: Impermanence Heron.
- Priority stats: CRIT Rate / CRIT DMG > ATK% > Energy Regen.
- Best teams: Pair with Heavy Attack DPS like Jiyan, Augusta, or Jinhsi.
- Skill priority: Resonance Liberation > Forte Circuit > Resonance Skill > Basic Attack.
Who Is Mortefi in Wuthering Waves?
Mortefi is the head of tacetite weapons development at Huaxu Academy’s Department of Safety. He’s known for his short temper and intense personality — and his kit reflects that energy perfectly. He is a 4-star Fusion Pistol character who has been a staple sub-DPS pick since version 1.0.
His core identity is simple. He rotates in, sets up his Liberation, and rotates out. Once his Resonance Liberation is active, it triggers Coordinated Attacks off-field every time your main DPS performs a Heavy Attack. That means your main DPS deals their damage while Mortefi stacks extra Fusion hits in the background. Combined with his Outro’s 38% Heavy Attack buff, he supercharges any Heavy Attack-focused DPS in the game.
He pairs exceptionally well with characters like Jiyan, Jinhsi, and Augusta who deal the bulk of their damage through Heavy Attacks or specific burst windows.
Mortefi Kit Overview
Understanding Mortefi’s kit helps you use him properly and get the most from every rotation.
Basic Attack — Dual Pistols
Mortefi fires up to four consecutive shots dealing Fusion DMG. You’ll use a few of these during his rotation to build his Forte Gauge before swapping to his skills. In sub-DPS play, you keep Basic Attack usage minimal.
Resonance Skill — Passionate Variation
Mortefi fires a burst of Fusion flame dealing Fusion DMG. This skill contributes to Forte Gauge buildup and generates Concerto and Resonance Energy. Once the Forte Gauge is full, Passionate Variation upgrades into Fury Fugue, which deals Fusion DMG in an AoE radius and generates even more energy. Always aim to use Fury Fugue over the base Skill whenever possible.
Resonance Liberation — Burning Rhapsody
This is Mortefi’s most important ability. Burning Rhapsody activates an off-field mechanic that causes Mortefi to fire Coordinated Attacks (Marcato hits) whenever the on-field character performs a Heavy Attack. These hits deal Fusion DMG and trigger independently of your active character’s rotation. The Liberation lasts 10 seconds base, extended to 17 seconds at Sequence 4. This is the heart of Mortefi’s support and damage output.
Forte Circuit — Fury Fugue
Mortefi builds his Forte Gauge through Basic Attacks, Intro Skill, and Resonance Skill. When full, his Resonance Skill converts to Fury Fugue — a stronger AoE Fusion burst that is far more efficient for energy generation. Prioritize reaching Fury Fugue in every rotation.
Intro Skill
Mortefi’s Intro Skill deals Fusion DMG and contributes to Forte Gauge buildup when he swaps onto the field. It is part of his standard rotation and helps him reach Fury Fugue faster.
Outro Skill
When Mortefi exits the field, the next character receives a 38% Heavy Attack DMG amplification buff. This is what makes Mortefi essential in Heavy Attack teams. The buff applies immediately and lasts long enough to cover a full DPS rotation window.
Mortefi Best Weapons in Wuthering Waves 3.4
Mortefi needs weapons that help him keep his Liberation up every rotation. Energy Regen is the most important secondary stat to chase alongside CRIT.
1. Static Mist (5-Star) — Best in Slot
Static Mist is Mortefi’s best weapon. It gives a strong CRIT Rate bonus and solid Energy Regen, covering his two most important needs at once. The weapon passive also boosts the ATK% of the next character after Mortefi, layering an extra buff on top of his already strong Outro. If you have Static Mist, it goes on Mortefi first.
2. The Last Dance (5-Star) — Strong Alternative
The Last Dance is another excellent 5-star option on Mortefi. It provides solid CRIT stats and good base damage. If you already have it from another resonator’s kit and can spare it, it performs very well on Mortefi as a second-best 5-star choice.
3. Cadenza (4-Star) — Best F2P Option
Cadenza is the top 4-star weapon for Mortefi. It provides Energy Regen to help him consistently fire off his Liberation each rotation. This is the recommended weapon for players who don’t have access to 5-star pistols. Prioritize refining it when possible.
4. Relativistic Jet (4-Star)
Another solid Energy Regen option if you don’t have Cadenza. It helps Mortefi maintain his Liberation uptime without needing heavy Energy Regen investment from substats. A comfortable secondary option.
5. Overture (4-Star)
Overture is a free weapon available to all players. It provides Energy Regen and works as a budget alternative if you’re waiting to acquire Cadenza. It’s not Mortefi’s ideal pick but it’s perfectly functional at early and mid-game stages.
Mortefi Best Echo Sets in Wuthering Waves 3.4
Mortefi’s Echo set choice follows the same pattern as many sub-DPS supports — Moonlit Clouds is the best team option, with alternative sets if you want more personal damage.
1. Moonlit Clouds (5-Piece) — Best for Support Play
Moonlit Clouds is Mortefi’s best Echo set by a clear margin for sub-DPS support. The 2-piece bonus provides 10% Energy Regen, which is crucial for keeping his Liberation available every rotation. The 5-piece effect grants 22% ATK to the next character when Mortefi uses his Outro Skill. Combined with his 38% Heavy Attack amplification buff, the total damage boost Mortefi provides to his main DPS is enormous. On Moonlit Clouds, Mortefi typically needs minimal additional Energy Regen from substats.
2. Molten Rift + Moonlit Clouds (Hybrid 2+2) — More Personal Damage
If you want Mortefi to hit harder personally while still providing support, you can run 2 pieces of Moonlit Clouds alongside 2 pieces of Molten Rift. Molten Rift’s 2-piece bonus gives 10% Fusion DMG, which boosts his Liberation and Coordinated Attack hits. You lose the full 5-piece Moonlit Clouds effect but gain personal damage. This is a situational choice, best when you have a very strong main DPS who doesn’t need the full Moonlit buff.
Mortefi Best Main Echo
Impermanence Heron — Best in Slot
Impermanence Heron is the clear best main echo for Mortefi. It provides 10 Resonance Energy on use, which directly helps him get his Liberation up faster. It also applies a 12% DMG bonus to the next character entering the field, stacking on top of Mortefi’s Outro buff for a massive combined boost. Activate the Heron at the very end of Mortefi’s rotation, right before swapping out. This is non-negotiable for optimized play.
Mortefi Best Echo Stats
Target these main stats across your five Echo slots.
Main Stats
- Cost-4 Echo: CRIT Rate or CRIT DMG
- Cost-3 Echo: Fusion DMG Bonus or Energy Regen
- Cost-3 Echo: Fusion DMG Bonus or Energy Regen
- Cost-1 Echo: ATK%
- Cost-1 Echo: ATK%
Substats Priority
- CRIT Rate / CRIT DMG (aim for roughly 1:2 ratio)
- ATK%
- Energy Regen (1 to 2 substat rolls to support Liberation uptime)
- Resonance Liberation DMG%
- Fusion DMG Bonus%
Energy Regen is very important for Mortefi because he becomes nearly useless if his Liberation isn’t available every rotation. On Moonlit Clouds, the set already covers some of this. Aim to have enough Energy Regen that his Liberation is ready consistently before you invest in pure damage substats.
Mortefi Skill Priority
Level Mortefi’s skills in this order:
- Resonance Liberation — This is his primary damage source and the entire point of playing Mortefi. Max it first.
- Forte Circuit — Fury Fugue is tied to Forte and is his strongest skill. Level this second.
- Resonance Skill — Passionate Variation contributes solid damage and Forte buildup. Level third.
- Basic Attack — Lowest priority. You rarely use full Basic Attack chains in sub-DPS play.
Mortefi Rotation Guide
Mortefi’s rotation is quick. His goal is to get onto the field, fire his Liberation, and get off as fast as possible so his off-field Coordinated Attacks can start working. Here is the standard sub-DPS rotation:
- Swap in → Intro Skill fires automatically, deals Fusion DMG and builds Forte Gauge.
- 2–4 Basic Attacks → Fill the Forte Gauge toward Fury Fugue threshold.
- Resonance Skill: Passionate Variation → Deals damage, builds more Forte Gauge.
- Forte Skill: Fury Fugue → AoE Fusion burst. Use once Forte Gauge is full.
- Resonance Liberation: Burning Rhapsody → Activate off-field Coordinated Attacks. This is the most important step.
- Activate Impermanence Heron Echo → Use immediately after Liberation.
- Swap out → Outro Skill applies 38% Heavy Attack buff to your main DPS.
A faster alternative rotation when Forte Gauge isn’t full starts with: Intro → Resonance Skill → Liberation → Echo → Swap out. This skips Basic Attacks entirely when Concerto Energy is already close to full. Choose whichever fits your team’s pace.
Keep in mind Mortefi’s Liberation lasts only 10 seconds base (17 at S4). Time your main DPS’s Heavy Attack windows to land during the Liberation uptime for maximum Coordinated Attack output.
Mortefi Sequence Nodes (Resonance Chain)
Mortefi’s sequences are very strong and meaningfully increase his value. Pull his dupes whenever you can.
- S1: During Burning Rhapsody, Resonance Skills also trigger extra Marcato hits twice. Huge damage boost — makes skills nearly as good as Heavy Attacks for triggering Coordinated Attacks.
- S2: After using an Echo Skill, Mortefi restores 10 Resonance Energy (20-second cooldown). Helps with Liberation uptime and reduces Energy Regen substat pressure.
- S3: Resonance Liberation CRIT DMG increased by 30%. Direct and meaningful damage upgrade.
- S4: Extends Burning Rhapsody duration by 7 seconds, bringing total uptime to 17 seconds. This is a massive quality-of-life upgrade — one of his best sequences. It gives your main DPS far more time to benefit from his Coordinated Attacks.
- S5: Resonance Skill hits trigger 4 extra Fusion DMG hits. Solid personal damage boost, and useful for Jinhsi Incandescence stack generation specifically.
- S6: All team members gain 20% ATK after Mortefi uses his Resonance Liberation. A strong team-wide buff that elevates his overall value significantly.
S4 and S6 are the biggest power spikes. S1 is also very strong for Jinhsi teams. Even at S0, Mortefi performs well in his role — but investing in his sequences pays off more than most 4-star characters.
Mortefi Best Teams in Wuthering Waves 3.4
Mortefi excels in any team where the main DPS relies on Heavy Attacks. Here are the best compositions currently in the 3.4 meta.
Team 1: Mortefi + Jiyan + Shorekeeper
This is one of Mortefi’s best and most classic teams. Jiyan is a Heavy Attack-focused Havoc DPS who benefits enormously from Mortefi’s 38% Heavy Attack buff and Coordinated Attacks. Shorekeeper provides healing, sustain, and additional buffing through her Liberation and Outro. A top-tier team for Tower of Adversity.
Team 2: Mortefi + Augusta + Shorekeeper
Augusta is one of the most recent additions who scales heavily off Heavy Attack damage. Mortefi is considered her best sub-DPS option as of 3.4. His Coordinated Attacks and Heavy Attack amplification fit her kit perfectly. Shorekeeper handles sustain and adds further ATK buffs.
Team 3: Mortefi + Jinhsi + Verina
An interesting team where Mortefi’s Coordinated Attacks help generate Jinhsi’s Incandescence stacks. At S1 and S5, Mortefi’s Resonance Skills also trigger extra hits during his Liberation, which accelerates Jinhsi’s stack buildup even more. Verina provides healing, Coordinated Attacks of her own, and a strong Outro buff.
Team 4: Mortefi + Calcharo + Verina
Calcharo uses heavy Basic Attack and Heavy Attack chains, making him another solid pairing. Mortefi’s Liberation keeps stacking Coordinated Attacks during Calcharo’s burst window. Verina supports from the back with heals and ATK buffs.
Team 5: Mortefi + Changli + Shorekeeper
Changli deals significant Heavy Attack and Resonance Skill damage in her rotations. Mortefi’s Liberation pairs well with her burst windows. Shorekeeper rounds out the team with sustain and additional buffs. A solid Fusion-flavored alternative team.
Is Mortefi Still Good in Wuthering Waves 3.4?
Yes. Mortefi has maintained his relevance all the way from version 1.0 to 3.4 without ever dropping out of the meta. The reason is exactly the same as Sanhua — as long as Heavy Attack-focused DPS characters exist in the game, Mortefi’s 38% Heavy Attack buff keeps him useful. And Kuro Games keeps releasing Heavy Attack DPS characters, so his position remains secure.
He is free to obtain from the standard pool, scales well with sequences, and his fast rotation means he doesn’t compete with your main DPS for field time. New players should prioritize unlocking and building Mortefi early. If you’re joining Wuthering Waves fresh — including through the upcoming Xbox Game Pass launch in July 2026 — Mortefi is one of the first support characters worth investing in.
For more character build guides, check out Jiyan, Jinhsi, Changli, and Sanhua to build out a full roster of efficient supports and carries.
Mortefi Build Summary
- Role: Sub-DPS / Heavy Attack Buffer
- Element: Fusion
- Weapon Type: Pistols
- Best Weapon: Static Mist (5-star) / Cadenza (4-star F2P)
- Best Echo Set: Moonlit Clouds (5-piece support) / Moonlit Clouds 2pc + Molten Rift 2pc (hybrid)
- Main Echo: Impermanence Heron
- Cost-4 Main Stat: CRIT Rate or CRIT DMG
- Cost-3 Main Stat: Fusion DMG / Energy Regen
- Cost-1 Main Stat: ATK%
- Best Teams: With Jiyan, Augusta, Jinhsi, Calcharo, or Changli
- Best Sequences: S4 for extended Liberation, S6 for team-wide 20% ATK buff
