Though he may seem a little standoffish, Wuthering Waves Mortefi is a very valuable member of your Wuthering Waves teams due to his hefty heavy attack damage bonus and coordinated attacks that add an extra punch here and there. Read on to find our recommendations for the best echo sets, weapons, and team comps.
To help you get some more Mortefis, here are all the new Wuthering Waves codes. You can check out our Wuthering Waves tier list to see where we rank him and discover what’s coming in the next Wuthering Waves update with our guide.
Here’s everything in our Wuthering Waves Mortefi guide:
Who is Wuthering Waves’ Mortefi?
Mortefi is a four-star character in Wuthering Waves, available on all banners. In the game, he’s head of the department that makes tacetite weapons in the Department of Safety, as part of the Huaxu Academy. He’s an expert in his field though has a reputation for his anger – which led him to transform his frustration into fusion flames he can use on the battlefield. Just… don’t get on his bad side.
How to use Mortefi
Mortefi is a great sub-DPS and buffer in a lot of teams. To make the best use of his kit, make sure to deploy his ultimate just before swapping to your main DPS to trigger his outro skill, giving a 38% heavy attack damage bonus. If you have the Impermanence Heron equipped on Mortefi, you can use this for an even greater damage bonus on your DPS.
What are Mortefi’s stats?
Here are Mortefi’s base stats at level one and level 90, without any echo or weapon buffs.
| Stat | Level one | Level 90 |
| HP | 802 | 10025 |
| Attack | 20 | 250 |
| Defense | 93 | 1137 |
| Max energy | 125 | 125 |
| Crit rate | 5% | 5% |
| Crit damage | 150% | 150% |
| Healing bonus | 0% | 0% |
| Fusion damage bonus | 0% | 0% |
What are Mortefi’s skills?
Mortefi’s key abilities are his outro skill, resonance liberation, and forte circuit – but his normal attacks can also help to chip away at enemies’ HP.
Here are all of Mortefi’s skills and attacks:
Mortefi’s active skills
| Skill | Effect |
| Basic attack – Impromptu Show | Mortefi uses dual pistols and flames to attack enemies four consecutive times. This deals fusion damage |
| Heavy attack | Mortefi enters aiming stance for a more powerful shot. This deals heavier fusion damage |
| Mid-air attack | Mortefi consumes stamina to shoot consecutive shots at enemies from mid-air, dealing fusion damage |
| Dodge counter | Use Mortefi’s basic attack after a successful dodge to attack the target with fusion damage |
| Resonance skill – Passionate Variation | Launch a barrage of flames toward enemies, dealing fusion damage |
| Resonance Liberation – Violent Finale | Mortefi deals fusion damage to enemies and applies Burning Rhapsody to all characters on the team. Burning Rhapsody When the active character’s basic attack hits a target, a coordinated attack launches one time (one Marcato hit). When a character’s heavy attack hits a target, two Marcato hits get fired. Mortefi can launch a co-ordinated attack once every 0.35 seconds |
| Intro skill – Dissonance | Mortefi attacks the target with fusion damage |
| Outro skill – Rage Transposition | The next character – on your team or in co-op – has their heavy attack damage amplified by 38% for 14 seconds, or until they switch off field |
Mortefi’s passive skills
| Skill | Effect |
| Forte circuit – Fury Fugue | Resonance skill – Fury Fugue When Mortefi’s ‘Annoyance’ reaches 100, his resonance skill turns into Fury Fugue. When casting this skill, he consumes all Annoyance to unleash flames toward enemies. This counts as resonance skill damage Annoyance Mortefi can hold 100 Annoyance at once. When Impromptu Show, Dissonance, and Passionate Variation hit a target, he restores Annoyance. Any targets hit within five seconds of using Passionate Variation restores additional Annoyance |
| Inherent skill – Harmonic Control (unlockable at resonator rank two) | When using Passionate Variation, the damage of Fury Fugue increases by 25% for eight seconds |
| Inherent skill – Rhythmic Vibrato (unlockable after Harmonic Control) | During Burning Rhapsody, each hit of Marcato increases the damage of the next Marcato instance by 1.5%. This can trigger once every 0.35 seconds and can stack 50 times. This effect resets after Burning Rhapsody ends |
What is Mortefi’s resonance chain?
If you get more than one copy of Mortefi on the banners – or purchase his wavebands from the in-game store – you can unlock levels of his resonance chain.
Here’s the extra skills you get with his waveband:
| Resonance sequence chain | Effect |
| Sequence node one – Solitary Etude | During Burning Rhapsody, Mortefi launches coordinated attacks when the on-field character uses their resonance skills – firing off two Marcato hits |
| Sequence node two – Hypocritical Hymn | After using his echo skill, Mortefi restores an extra ten resonance energy. This can trigger once every 20 seconds |
| Sequence node three – Flaming Recitativo | During Burning Rhapsody, the crit damage of Marcato increases by 30% |
| Sequence node four – Cathartic Waltz | Burning Rhapsody’s duration extends by seven seconds |
| Sequence node five – Funerary Quartet | When Passionate Variation or Fury Fugue hits a target, four Marcato hits fire off, dealing fusion damage. However, reduces damage from these by 50% |
| Sequence node six – Apopletic Instrumental | When Mortefi casts Violent Finale, the attack of all teammates increases by 20% for 20 seconds |
What’s the best weapon for Mortefi?
Mortefi uses pistols and can use a lot of options in the game, though these are the most useful. The best pistol for Mortefi is the five-star Static Mist with its energy regeneration, but the Undying Flame increases his resonance skill damage, ensuring he deals more fusion damage to enemies.
| Weapon | Effect |
| Static Mist (five-star) | Increases energy regeneration by 12.8%. When Mortefi casts his outro skill, his attack increases by 10%. This effect lasts for 14 seconds |
| Undying Flame (four-star) | When Mortefi casts his intro skill, his resonance skill damage gets a 20% boost for 15 seconds |
| Novaburst (four-star) | When Mortefi dashes or dodges, his attack increases by 4%. This can stack three times and lasts for eight seconds |
| Pistols of Night (three-star) | When Mortefi casts his intro skill, his attack increases by 8% for ten seconds |
What are the best echoes for Mortefi?
When picking an echo set for Mortefi, it’s best to aim for a five-piece set of moonlit clouds or two pieces of molten rift and two pieces of moonlit clouds for the energy regeneration and fusion damage boosts.
The best main echo to equip Mortefi with is the Impermanence Heron. While you can use other damage-boosting echoes like the Inferno Rider, the Heron can give ten extra energy to the next character you use, and if Mortefi’s outro skill triggers during the swap, the next character also gets a 12% damage boost for 15 seconds.
Mortefi stat recommendations
When picking echoes for Mortefi, we recommend prioritizing those with the following stats:
Main stats
- Energy regeneration
- Fusion damage
- Crit damage/crit rate
- Attack%
Sub-stats
- Energy regeneration
- Crit rate/crit damage
- Attack%
What’s the best Mortefi team comp?
Mortefi slots into a team as a buffer and sub-DPS – while he’s cool, we don’t recommend him as a main DPS, even with all resonance chains unlocked. The best DPS to pair him with is Jiyan, but if you use heavy attacks frequently, you can make the most of his outro skill.
The best synergies for Mortefi are:
- Wuthering Waves Jiyan – using Mortefi’s coordinated attacks in tandem with Jiyan’s resonance liberation is fun and deals plenty of damage with both aero and fusion elements. Mortefi’s heavy attack damage goes a long way in boosting Jiyan, too.
- Wuthering Waves Danjin – Danjin deals most of her damage using heavy attacks, so Mortefi’s damage deepen really comes in handy with her. His coordinated attacks also help to deal extra damage with her.
- Wuthering Waves Verina provides healing and an attack boost, but you can also use Wuthering Waves Baizhi to keep your team at full health.
Here’s the best Mortefi team comp:
| Slot one | Slot two | Slot three |
 Mortefi |
 Jiyan |
 Verina |
What are Mortefi’s ascension materials?
To get Mortefi leveled up, you’ll need the following materials:
| Ascension rank | Materials required |
| One – level 20 | 5k shell credits and four LF whisperin cores |
| Two – level 40 | 10k shell credits, four coriolus, three rage tacet cores, four MF whisperin cores |
| Three – level 50 | 15k shell credits, eight coriolus, six rage tacet cores, eight MF whisperin cores |
| Four – level 60 | 20k shell credits, 12 coriolus, nine rage tacet cores, four HF whisperin cores |
| Five – level 70 | 40k shell credits, 16 coriolus, 12 rage tacet cores, eight HF whisperin cores |
| Six – level 80 | 80k shell credits, 20 coriolus, 16 rage tacet cores, four FF whisperin cores |
Here’s where to find all of Mortefi’s ascension materials:
- Rage tacet cores – these cores drop from the Inferno Rider boss in the Sea of Flames
- Coriolus – you can find these mushrooms around the Dim Forest area, especially near the Giant Banyan tree. You can also purchase 15 from the Shifang Pharmacy every so often
- Whisperin cores – these enemy drops come from Predator and Warrior enemies, as well as Whiff Whaff, Tick Tack, Zig Zag, and Snip Snap enemies. You can also buy them from the weapon shop and gain them in forgery challenges
- Shell credits – shell credits are the in-game currency, which you can obtain via farming, enemy and boss drops, through quests, or by selling things in the in-game store
What are Mortefi’s forte materials?
Upgrading Mortefi’s skills is key, especially his forte circuit and resonance liberation. Here are Mortefi’s total forte materials and where to get them:
- 25 LF whisperin core, 28 MF whisperin core, 40 HF whisperin core, and 57 FF whisperin core
- Obtain from enemies, forgery challenges, Jinzhou’s weapon shop, or the exchange store (oscillated coral)
- 25 impure phlogiston, 28 extracted phlogiston, 55 refined phlogiston, and 67 flawless phlogiston
- Obtain from the Marigold Woods forgery challenge, via the synthesizer, Jinzhou’s weapon shop, or Jinzhou’s souvenir store
- 26 monument bells
- Obtain from the Bell-Borne Geochelone weekly challenge
- 2,030,000 shell credits
Mortefi skill priority
When leveling up his skills, we recommend prioritizing them in the following order:
- Resonance liberation > forte circuit > basic attack > resonance skill > intro skill
Well, there you go, now you know everything about building Mortefi. Why not move on to Wuthering Waves Jianxin or Wuthering Waves Sanhua next, or see who’s on the Wuthering Waves banner with Wuthering Waves Jinhsi?