# Invalid Vengeance achievement

> Defeat the Delains in the Wailing Wastes. In Lost Ark, Invalid Vengeance belongs to the Adventure achievement category.

Canonical: https://lostark.wiki/database/achievements/invalid-vengeance-6070136

## Objectives

1. Defeat the demonized Kario

## Related

- [Home](https://lostark.wiki/)
- [Achievements](https://lostark.wiki/database/achievements)