From Warhammer 40k - Lexicanum
The Stigmatus Covenant are a Nurgle-affiliated Mutant Horde. During the 13th Black Crusade they were used by Chaos Knights of House Khomentis to flush from cover the 5th Company of the Howling Griffons in the Mackan System.
- 1: Codex: Chaos Knights (8th Edition), pg. 32 - A Saga of Destruction - Call of Despoiler
- 2: Warhammer 40,000 8th Edition Rulebook, pg. 161