Nightmare: Kelpie is a world boss in Wuthering Waves that can be encountered in Septimont.
This boss is important for players looking to build Cartethyia as it is part of the Windward Pilgrimage Echo set. This article provides a quick guide to find Nightmare: Kelpie in Wuwa, how to beat it, and the best teams that can be used to have an easy time.
Nightmare: Kelpie Wuthering Waves boss location

Nightmare: Kelpie is located in the heart of the Mournfell Canyon which is located in the north-west side of Septimont.
Head towards the lake shrouded in dark mist in the middle of the area to trigger the Nightmare: Kelpie boss fight.
Tips to beat Nightmare: Kelpie in Wuthering Waves
Nightmare: Kelpie is not a hard boss to defeat in Wuwa. It doesn’t have a huge health pool and all of its attacks are very telegraphed.
Make sure to dodge its slow attacks and always parry when the golden circle appears to build the Vibration bar.
Executing a proper rotation with your team will be more than enough to stagger the Nightmare: Kelpie. After this, unload all of your remaining damage to quickly eliminate the boss.
Best teams to beat Nightmare: Kelpie in Wuwa

Nightmare: Kelpie is a pretty simple boss and can be defeated by using any premium team with a strong Main DPS, Sub DPS, and Support. Here are some of the best team options to beat Nightmare: Kelpie in Wuwa:
- Cartethyia/Ciaccona/Shorekeeper
- Carlotta/Zhezhi/Shorekeeper
- Jiyan/Mortefi/Verina
- Camellya/Sanhua/Shorekeeper
- Jinhsi/Yinlin/Verina
Nightmare: Kelpie Wuwa rewards
Nightmare: Kelpie provides the following rewards after defeating it:
- 20 Astrites (first time defeat only)
- Nightmare: Kelpie Echo (Windward Pilgrimage and Gusts of Welkin)
Players will definitely have to defeat this boss multiple times to get their desired Echo stat and substats. Unfortunately, Nightmare: Kelpie doesn’t provide any Union EXP unlike the regular world bosses.