Introduction to Kerasaur Echo Guide

Wuthering Waves Kerasaur Echo Guide: Kerasaur is a 3-Cost Elite-class Echo in Wuthering Waves, classified under the identifier H55 Kerasaur. As a high-impact Echo with strong burst potential, it is favored in builds that focus on quick aerial engagements and explosive follow-ups.
Echo Skill
Activating Kerasaur’s Echo Skill transforms the user to leap and slam down, dealing 268.20% Aero DMG, then allows a quick follow-up slam for another 268.20% Aero DMG. When equipped as the main Echo, it grants 12.00% Aero DMG Bonus and 12.00% Resonance Liberation DMG Bonus. The skill has a 15-second cooldown, offering strong, consistent burst for Aero builds.
Echo Skill Details by Rarity

The Kerasaur Echo Skill scales in damage based on its rarity, with higher rarities offering increased base Aero DMG. At 2-star rarity, the Echo Skill deals 178.80% Aero DMG; at 3-star, it increases to 208.60%; 4-star provides 238.40%, and the 5-star version delivers the highest at 268.20% Aero DMG. Regardless of rarity, using the Echo Skill grants the Resonator a 12.00% Aero DMG Bonus and a 12.00% Resonance Liberation DMG Bonus, enhancing overall elemental and burst damage. The cooldown for the skill remains consistent at 15 seconds across all rarity tiers.
Stats

Main Stats
| Main Stat | Max Value (Rank 5) |
|---|---|
| ATK (Flat) | 1000 |
| HP % | 30.0% |
| ATK % | 30.0% ✅ |
| DEF % | 38.0% |
| Energy Regen | 32.0% ✅ |
| Aero DMG Bonus | 30.0% ✅ |
| Glacio DMG Bonus | 30.0% ❌ |
| Fusion DMG Bonus | 30.0% ❌ |
| Electro DMG Bonus | 30.0% ❌ |
| Spectro DMG Bonus | 30.0% ❌ |
| Havoc DMG Bonus | 30.0% ❌ |
✅ Best main stats for Kerasaur: ATK %, Aero DMG Bonus, or Energy Regen
❌ Avoid unrelated elemental bonuses unless running niche off-element builds
Sub Stats
| Sub-Stat | Range |
|---|---|
| HP (Flat) | 320 – 580 |
| ATK (Flat) | 30 – 70 |
| DEF (Flat) | 30 – 70 |
| HP % | 6.4% – 11.6% |
| ATK % | 6.4% – 11.6% ✅ |
| DEF % | 8.1% – 14.7% |
| Crit. Rate | 6.3% – 10.5% ✅ |
| Crit. DMG | 12.6% – 21.0% ✅ |
| Energy Regen | 5.6% – 14.9% ✅ |
| Resonance Skill DMG Bonus | 6.4% – 12.4% ✅ |
| Basic Attack DMG Bonus | 6.4% – 11.6% |
| Heavy Attack DMG Bonus | 6.4% – 11.6% |
| Resonance Liberation DMG Bonus | 6.4% – 11.6% ✅ |
✅ Best sub-stats for Kerasaur builds:
Crit Rate, Crit DMG, ATK %, Energy Regen, Resonance Skill/Liberation DMG Bonus
Recommended Resonator
Jiyan — Recommended Resonator for Kerasaur
Kerasaur is a top-tier Echo for Jiyan, offering strong Aero synergy and burst damage. Its two-stage slam fits smoothly into his rotation, while the passive Aero DMG Bonus boosts key abilities like Lone Lance and Emerald Storm. With ATK% and Aero DMG% scaling, Kerasaur enhances both AoE clears and boss fights.
How to Get Kerasaur Echo

The Kerasaur Echo can be obtained by defeating Kerasaur enemies found in the wild. These foes are classified as elite enemies and feature a Vibration Strength bar, indicating their elevated difficulty compared to standard enemies. Defeating them grants a chance to drop the Kerasaur Echo. Additionally, Kerasaur Echoes can also be acquired through Tacet Field Cleanups, making both open-world farming and endgame activities viable methods for collecting this Echo.
Possible Sonata Effects
Windward Pilgrimage

2-piece set: Grants +10% Aero DMG, enhancing the output of Aero-based Resonators.
5-piece set: When hitting a target with Aero Erosion, it increases Crit Rate by 10% and grants a 30% Aero DMG Bonus for 10 seconds, significantly boosting burst potential for Aero characters.
Flaming Clawprint

2-piece set: Grants +10% Fusion DMG, supporting Fusion-aligned builds.
5-piece set: After casting Resonance Liberation, all team members gain a 15% Fusion DMG Bonus, while the user receives a 20% Resonance Liberation DMG Bonus for 35 seconds, boosting both team and personal damage during key rotations.
Frequently Asked Questions (F.A.Q)
What is Kerasaur?
Kerasaur is a 3-Cost Elite Echo with the Aero attribute, known for its powerful two-stage slam that deals massive AoE Aero DMG. It excels in burst DPS roles and pairs well with Aero-based characters like Jiyan.
Is Kerasaur good as a Main Echo?
Yes! As a 3-Cost Main Echo, Kerasaur is:
Burst-heavy with high Aero scaling
Effective in both mob-clearing and boss phases
Great for rotation synergy and passive Aero DMG Bonus
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