From Warhammer 40k - Lexicanum
Plague Swords are a type of Daemonic weapon used by followers of Nurgle such as Plague Bearers and Plague Marines. These weapons are infused with foul infections and toxins that can make the merest scratch fatal.
- 1: Deathwatch: Mark of the Xenos, pg. 112
- 2: Codex: Death Guard (8th Edition) - Lords of the Plague Planet