Gresk'a
From Warhammer 40k - Lexicanum
The Gresk'a are a migrating Xenos species known to attack Imperial worlds. The Deathwatch try to prevent this by using cogitators and their Librarians to locate and intercept bands of Gresk'a.[1]
Sources
- 1: Codex: Deathwatch (9th Edition), pg. 9 - The Enemy Without
