Introduction to Nocturnus Knight Echo Guide

Wuthering Waves Nocturnus Knight Echo Guide: The Nocturnus Knight is an Elite-class Echo with a cost of 3, introduced in Version 2.0. Identified by its code W66, this Echo presents a formidable presence on the battlefield, characterized by its dark, armored design and imposing stature. Unlike some high-tier Echoes, the Nocturnus Knight does not feature a Phantom Appearance or a Nightmare Variant, focusing instead on its raw performance and combat functionality. Its unique attributes and classification make it a valuable addition to teams seeking strength from higher-cost Echoes, particularly in strategies that can accommodate its elite resource requirement.
How to Obtain Nocturnus Knight

The Nocturnus Knight Echo can be obtained by defeating Nocturnus Knight enemies encountered in the overworld. These foes are notably more challenging than standard enemies and are distinguished by their Vibration Strength bar, indicating their elite status. They are found in various locations across the map and may require strategic preparation due to their strength. Additionally, players have a chance to acquire the Nocturnus Knight Echo as a reward from Tacet Field Cleanups, making it accessible through both targeted hunts and routine echo farming activities.
Nocturnus Knight Attributes (Possible Primary Main Stats)

As an Elite-class Echo with a cost of 3, the Nocturnus Knight can roll a variety of primary main stats, which scale with its rank from Rank 2 to Rank 5. The potential primary stats include flat ATK, ATK%, HP%, DEF%, and Energy Regeneration. Additionally, it can also roll elemental damage bonuses for any of the six attributes: Aero DMG, Glacio DMG, Fusion DMG, Electro DMG, Havoc DMG, and Spectro DMG. These stat rolls provide versatility, allowing the Echo to fit a range of builds depending on the character’s needs and elemental alignment.
Main Stats
| Main Stat | Max Value (Rank 5) | Recommended? |
|---|---|---|
| ATK (Flat) | 1000 | ✅ Decent base |
| ATK % | 30.0% | ✅ Core stat |
| HP % | 30.0% | ❌ Niche only |
| DEF % | 38.0% | ❌ Low impact |
| Energy Regeneration | 32.0% | ✅ Flexible |
| Havoc DMG Bonus | 30.0% | ✅ Best-in-slot |
| Spectro DMG Bonus | 30.0% | ❌ Off-element |
| Aero DMG Bonus | 30.0% | ❌ Off-element |
| Glacio DMG Bonus | 30.0% | ❌ Off-element |
| Fusion DMG Bonus | 30.0% | ❌ Off-element |
| Electro DMG Bonus | 30.0% | ❌ Off-element |
🔹 Best main stats for Nocturnus Knight: Havoc DMG Bonus, ATK%, or Energy Regen
Sub Stats
| Sub-Stat | Range | Recommended? |
|---|---|---|
| HP (Flat) | 320 – 580 | ❌ Low priority |
| ATK (Flat) | 30 – 70 | ❌ Minor boost |
| DEF (Flat) | 30 – 70 | ❌ Not ideal |
| HP % | 6.4% – 11.6% | ❌ Situational |
| ATK % | 6.4% – 11.6% | ✅ Core scaling |
| DEF % | 8.1% – 14.7% | ❌ Rarely useful |
| Crit. Rate | 6.3% – 10.5% | ✅ Essential |
| Crit. DMG | 12.6% – 21.0% | ✅ Essential |
| Energy Regen | 5.6% – 14.9% | ✅ Useful |
| Resonance Skill DMG Bonus | 6.4% – 12.4% | ✅ Strong bonus |
| Basic Attack DMG Bonus | 6.4% – 11.6% | ✅ For autos |
| Heavy Attack DMG Bonus | 6.4% – 11.6% | ✅ For burst |
| Resonance Liberation DMG Bonus | 6.4% – 11.6% | ✅ Best for ults |
✅ Best sub-stats: ATK %, Crit Rate, Crit DMG, Skill/Heavy/Lib DMG Bonus, Energy Regen
Echo Skill Details
The Echo Skill of the Nocturnus Knight allows the user to temporarily transform into the Nocturnus Knight itself, unleashing a powerful aerial strike that targets enemies in front. Upon activation, the skill deals 268.20% Havoc DMG, making it a strong offensive option, especially when used strategically in combat rotations. This damage value corresponds to a Rank 5 Nocturnus Knight Echo, with lower ranks dealing proportionally less damage. The skill has a cooldown of 15 seconds, encouraging deliberate use to maximize its impact during critical moments in battle.
Possible Sonata Effects
The Nocturnus Knight Echo can come with one of two possible Sonata Effects: Empyrean Anthem or Midnight Veil, offering distinct benefits depending on your build.

The Empyrean Anthem set enhances energy recovery and Coordinated Attack damage. Its 2-piece effect grants +10% Energy Regeneration, improving skill uptime. The 5-piece bonus significantly boosts Coordinated Attack performance by increasing its damage by 80%. Additionally, if a Coordinated Attack lands a critical hit, it further increases the active Resonator’s ATK by 20% for 4 seconds, promoting aggressive, synergy-focused playstyles.

The Midnight Veil set focuses on enhancing Havoc DMG output. Its 2-piece effect provides a +10% Havoc DMG bonus. The 5-piece effect empowers Outro Skill usage by dealing an additional 480% Havoc DMG to nearby enemies, categorized as Outro Skill DMG. It also grants the incoming Resonator a 15% Havoc DMG Bonus for 15 seconds, making it highly effective for Havoc-oriented team compositions and rotations.
Suggested Characters
Jianxin
Element: Havoc | Role: Sub-DPS / Support
Why it works: Benefits greatly from Midnight Veil. The 2-piece bonus boosts her Havoc DMG, while the 5-piece enhances her Outro Skill and buffs the next Resonator. The Nocturnus Knight Echo Skill adds a burst of Havoc DMG to her rotation, fitting her switch-based playstyle.
Frequently Asked Questions (F.A.Q)
What is Nocturnus Knight?
Nocturnus Knight is a 3-Cost Elite Echo with the Havoc element. It’s known for its dramatic entrance, high burst Havoc DMG, and AoE capability, making it a top choice for Havoc DPS characters like Calcharo or Havoc Rover.
Does Nocturnus Knight apply Havoc element?
Yes. It deals Havoc DMG, enabling Havoc-based reactions or elemental matching with Havoc-aligned Resonators.
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