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Nightmare: Kelpie is a 4-Cost Echo you can get in Wuthering Waves. See full details about Nightmare: Kelpie, how to get it, its boss location, how to beat it, skills, material drops, possible Sonata Effects, and recommended characters to equip it to in this guide!
List of Contents
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Nightmare: Kelpie W86 |
|
|---|---|
|
|
| Class | Cost |
| Overlord | 4 |
| Possible Sonata Effects | |
Transform into Nightmare: Kelpie to attack nearby targets, dealing 405.00% Glacio DMG.
The Resonator with this Echo equipped in the main slot gains 12.00% Glacio DMG Bonus and 12.00% Aero DMG Bonus.
Switching out the Resonator with Outro Skill summons Nightmares: Kelpie to deal 405.00% Aero DMG.
CD: 25s
The effect above is for a Rarity 5 Nightmare: Kelpie Echo.
| Sonata Effect | Set Bonuses |
|---|---|
|
|
2-pc: Aero DMG +10%.
5-pc: Hitting a target with Aero Erosion increases Crit Rate by 10% and grants 30% Aero DMG Bonus, lasting for 10s. |
|
|
2-pc: Aero DMG +10%.
5-pc: Inflicting Aero Erosion on enemies increases Aero DMG for all Resonators in the team by 15%, and for the Resonator triggering this effect by an additional 15%, lasting for 20s. |

You can get a Nightmare: Kelpie from defeating one at its boss challenge location. These are tough enemies, so be sure you're prepared!
It is found in Mournfell Canyon, just northwest of Capitoline Hill. It will have a boss icon, so it is quite hard to miss!
Nightmare: Kelpie Location and Guide

You may also be rewarded with a Nightmare: Kelpie Echo by clearing any of the 6 stages in its Tactical Hologram: Phantom Pain challenge located in Thessaleo Fells, Rinascita!
All Tactical Hologram Locations
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This section is a work in progress. We will update this section with recommended characters soon! |
|---|

List of Echoes and Sonata Effects
| Echoes by Cost | ||
|---|---|---|
| 4-Cost | 3-Cost | 1-Cost |
| Echo Classes | |||
|---|---|---|---|
| Calamity | Overlord | Elite | Common |
Nightmare: Kelpie Echo and Skills: W86



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Nightmare Kelpie: JoJo!!! Your fate has been sealed!!! Rover (with Fallacy of No Return) : NANI!!!!!!