Red Tide
The Red Tide is a horde of Chaos forces that erupted from the Warp in the aftermath of the Great Rift's creation. It has no commander or agenda and is instead a carnage-filled crusade of wanton slaughter, that has carved a bloody path across the galaxy.[1]
Sources
- 1: Warhammer 40,000 8th Edition Rulebook, pg. 152 — Eternity of War