Yinlin vs Mortefi: Best Sub-DPS Comparison in Wuthering Waves

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Finding the right sub-DPS can determine whether your team clears the Tower of Adversity or falls short of a three-star completion. In Wuthering Waves, the choice between Yinlin and Mortefi often comes down to the specific damage profile of your Main DPS and your current investment levels.

# Yinlin vs Mortefi: Which Sub-DPS Should You Build in Wuthering Waves?

## TL;DR Verdict

Choosing between Yinlin and Mortefi is rarely about who is "better" in a vacuum and more about which Main DPS you intend to support. Yinlin is a premium 5-star character designed to maximize Electro damage and Resonance Liberation damage, while Mortefi is a 4-star specialist who provides the game’s strongest Heavy Attack buff.

*   **Yinlin** is the premium 5-star choice for Electro and Resonance Liberation-focused teams (e.g., Calcharo, Havoc Rover).
*   **Mortefi** is the undisputed king of Heavy Attack buffs, making him the mandatory partner for Jiyan.
*   **Yinlin** offers higher personal off-field damage and superior AOE, while Mortefi provides more consistent coordinated attacks at S4+.
*   Choose **Yinlin** for general versatility and Electro synergy; choose **Mortefi** for specialized Heavy Attack carries.

### The Case for Yinlin
Yinlin excels in scenarios where you need high off-field damage and multi-target suppression. Her kit revolves around her puppet, Zapstring, which applies marks to enemies that trigger coordinated Electro strikes. Because her Outro Skill buffs both Electro Damage and Resonance Liberation Damage, she is the perfect partner for any character whose primary damage comes from their Ultimate or Electro-based attacks.

### The Case for Mortefi
Mortefi is arguably the most valuable 4-star character in the current meta. His value is concentrated in his Outro Skill, which provides a massive 38% Heavy Attack Damage Deepen buff. While his personal damage is lower than Yinlin’s, his ability to trigger coordinated attacks on every Basic and Heavy attack from the active character makes him a seamless addition to fast-paced attackers like Jiyan or even Jinhsi.

## Side-by-Side Table

| Feature | Yinlin | Mortefi |
| :--- | :--- | :--- |
| **Rarity** | 5-Star | 4-Star |
| **Element** | Electro | Fusion |
| **Weapon Type** | Rectifier | Pistols |
| **Outro Skill Buff** | 20% Electro DMG Deepen / 25% Resonance Liberation DMG Deepen | 38% Heavy Attack DMG Deepen |
| **Buff Duration** | 14 seconds | 14 seconds |
| **Coordinated Attack Trigger** | When enemies with "Punishment Mark" take damage | Active character's Basic or Heavy Attacks |
| **Best Synergy** | Calcharo, Jinhsi, Havoc Rover | Jiyan, Jinhsi |
| **Energy Needs** | Moderate (requires Energy Regen sub-stats) | High (Relies on S4 or high Energy Regen) |

## Detailed Comparison

### Kit Mechanics and Playstyle
Yinlin’s playstyle is centered on her Forte Circuit, "Chameleon Cipher." When her Judgment Points are full, her Heavy Attack transforms into "Chameleon Lunge," which consumes all points to apply "Sinner’s Mark" to hit enemies. When Yinlin hits an enemy with Sinner’s Mark using her Resonance Skill or Resonance Liberation, it upgrades to a "Punishment Mark." While Yinlin is off-field, any enemy with a Punishment Mark takes coordinated Electro damage whenever they receive damage from any source. This makes Yinlin a "fire and forget" sub-DPS who contributes significant AOE damage without occupying much field time.

Mortefi operates through his Resonance Liberation, "Burning Rhapsody." Upon casting, he grants the team a "Raucus Discord" effect. For the next several seconds, whenever the active character hits an enemy with a Basic Attack, Mortefi launches one coordinated "Marcato" hit. If the active character uses a Heavy Attack, he launches two Marcato hits. His playstyle is less about marking enemies and more about timing his ultimate to coincide with your Main DPS’s burst window. Unlike Yinlin, Mortefi’s coordinated attacks are projectile-based, meaning they are primarily single-target unless enemies are tightly grouped.

### Buffing Capabilities and Outro Skills
The "Deepen" mechanic in Wuthering Waves is a multiplicative damage bonus, making it significantly stronger than standard "Attack %" or "Damage %" buffs. 

Yinlin’s Outro Skill, "All Is Puppet," provides a dual buff: 20% Electro Damage Deepen and 25% Resonance Liberation Damage Deepen for 14 seconds. This is a highly specific buff that limits her peak performance to characters who can utilize both. Calcharo is the prime example, as his entire kit is Electro-based and his primary damage window occurs during his Resonance Liberation state.

Mortefi’s Outro Skill, "Rage-Fueled Solo," provides a massive 38% Heavy Attack Damage Deepen for 14 seconds. This is currently the highest single-type damage buff in the game. For characters like Jiyan, whose entire kit during his ultimate is considered Heavy Attack damage, this buff is transformative. 

### Team Synergies: Jiyan vs. Calcharo vs. Jinhsi
**The Jiyan Factor:** If you are a Jiyan main, Mortefi is not just a recommendation; he is a requirement for optimal play. Jiyan’s "Qingloong" state converts all his attacks into Heavy Attack damage. Mortefi’s 38% Deepen buff directly multiplies this damage, creating a synergy that no other character, including Yinlin, can currently match.

**The Calcharo Factor:** Yinlin was practically tailor-made for Calcharo. Calcharo struggles with long field-time requirements and needs a sub-DPS who can provide buffs quickly. Yinlin’s dual buff covers Calcharo’s Electro nature and his reliance on his "Death Messenger" attacks during his Resonance Liberation.

**The Jinhsi Factor:** Jinhsi introduces an interesting middle ground. Jinhsi requires her teammates to land "coordinated attacks" to build her "Incandescence" stacks quickly. Both Yinlin and Mortefi provide coordinated attacks. Yinlin is often preferred for Jinhsi because her Punishment Marks trigger on any damage source and hit multiple enemies, stacking Jinhsi’s Forte faster in AOE scenarios. However, an S4 Mortefi provides 100% uptime on his coordinated attacks, making him a very close second or even a preferred choice for single-target boss encounters.

### Investment and F2P Friendliness
As a 5-star character, Yinlin has higher base stats, including higher Attack and HP, which naturally increases her personal damage output. She is effective at S0 (Sequence 0) and does not require additional copies to function at a high level. Her signature weapon, "Stringmaster," provides a significant boost to Crit Rate and Elemental Damage, further cementing her role as a high-damage sub-DPS.

Mortefi, being a 4-star, is easier to obtain but more reliant on his Sequence Nodes. His most critical milestone is Sequence 4 (S4), "Pathetic Echo." This node increases the duration of his Resonance Liberation by 7 seconds. Without S4, Mortefi’s coordinated attack window is relatively short, often ending before your Main DPS has finished their rotation. For F2P players, a high-sequence Mortefi is often more attainable over time than a limited 5-star, but Yinlin offers more "out of the box" power.

**Skill Priority List:**
*   **Yinlin:** Forte Circuit > Resonance Liberation > Resonance Skill > Basic Attack > Intro Skill.
*   **Mortefi:** Resonance Liberation > Resonance Skill > Forte Circuit > Intro Skill > Basic Attack.

**Resonance Chain Impact:**
*   **Yinlin S1:** Increases Resonance Skill damage by 15%.
*   **Yinlin S2:** Increases Forte gauge generation, speeding up rotations.
*   **Mortefi S1:** Adds additional coordinated attacks when using Resonance Skills.
*   **Mortefi S4:** Increases Resonance Liberation duration by 7 seconds (Crucial for uptime).

## Recommendation

### When to Choose Yinlin
You should prioritize building Yinlin if you have pulled her from her limited banner and own a Main DPS that scales with Electro or Resonance Liberation damage. She is the superior choice for:
1.  **Calcharo Teams:** The synergy here is the strongest in the game for Electro-based compositions.
2.  **Havoc Rover Teams:** While Rover is Havoc, a large portion of their damage comes from their Resonance Liberation, which Yinlin buffs.
3.  **AOE Content:** If you are struggling with groups of enemies in the Tower of Adversity, Yinlin’s Punishment Marks provide much better crowd clearing than Mortefi’s projectiles.
4.  **High Personal Damage:** Choose Yinlin if you want your sub-DPS to contribute 30-40% of the team's total damage rather than just being a buff-bot.

### When to Choose Mortefi
Mortefi is the correct choice if your roster is built around Heavy Attack carries or if you are looking for a highly efficient 4-star to invest in for the long term. He is the superior choice for:
1.  **Jiyan Teams:** There is no competition here; Mortefi is the best-in-slot partner for Jiyan.
2.  **S4+ Ownership:** If you have managed to get Mortefi to Sequence 4, his value skyrockets due to the nearly 100% uptime on his coordinated attacks.
3.  **Resource Management:** As a 4-star, Mortefi uses different ascension materials and is generally cheaper to "max out" in terms of Resonance Chain potential compared to a limited 5-star.
4.  **Pistol Users:** If you have a 5-star pistol like "Static Mist," Mortefi can utilize the high base stats and Energy Regen to provide even more utility to the team.

### Can You Run Both?
While you typically wouldn't run Yinlin and Mortefi on the same *team* (as you usually need a healer/support like Verina or Baizhi in the third slot), you absolutely should build both for your *account*. Wuthering Waves' endgame content, specifically the Tower of Adversity, requires three separate teams. Having Yinlin lead the sub-DPS role for an Electro team and Mortefi leading the sub-DPS role for a Jiyan or Heavy Attack team is a standard strategy for high-level players.

### Decision-Making Flowchart
1.  **Is your Main DPS Jiyan?**
    *   Yes -> Build **Mortefi**.
    *   No -> Go to Step 2.
2.  **Is your Main DPS Calcharo or Electro-focused?**
    *   Yes -> Build **Yinlin**.
    *   No -> Go to Step 3.
3.  **Do you have Mortefi at S4?**
    *   Yes -> Build **Mortefi** for his 100% buff uptime.
    *   No -> Build **Yinlin** for her higher base stats and general AOE damage.

Both characters are currently considered "future-proof" because their value is tied to "Deepen" buffs. Damage Deepen is a rare stat that does not suffer from the diminishing returns often seen with standard Attack buffs. As long as new Main DPS characters are released that rely on either Electro/Liberation or Heavy Attacks, Yinlin and Mortefi will remain at the top of the meta.

## Sources
- Prydwen Wuthering Waves Tier List & Guides — https://www.prydwen.gg/wuthering-waves/
- Game8 Yinlin Build & Best Teams — https://game8.co/games/Wuthering-Waves/archives/454316
- Game8 Mortefi Build & Best Teams — https://game8.co/games/Wuthering-Waves/archives/454319
- WutheringLab Yinlin vs Mortefi Comparison — https://wutheringlab.com/character/yinlin-guide/
- Wuthering Waves Official Wiki (Fandom) — https://wutheringwaves.fandom.com/wiki/Wuthering_Waves_Wiki
- Reddit Theorycrafting: Sub-DPS Calculations — https://www.reddit.com/r/WutheringWaves/comments/1d6v8p6/sub_dps_calculations_mortefi_vs_yinlin/