Horus Heresy · atlas

Knight House · loyalists

House Vyronii

House Vyronii is a venerable loyalist Knight House from the Grail Abyss, which for millennia held out against the xenos. At the Battle of Hive Ilium (008.M31) on Manachea a handful of Vyronii Cerastus Lancers stood with the loyalists against the Sons of Horus; broken though they were, they ambushed the traitor Legio Tempestus, slaying the Reaver Titan Raxvalian. At Beta-Garmon the banners of Vyronii fought beside Legio Gryphonicus. A rival of the traitor House Malinax.

Category
Knight House
Side
Loyalists
Key events
2 events
Forces
Secundus rank (Questor Imperialis); homeworld — Damaetus III/II in the Grail Abyss, the far northern boundary of the Segmentum Obscurus. Nicknames — the “Wardens of Felweather” and the “God-Eaters”. Colours — emerald green, white and red.

Fate

A loyal house; almost destroyed in the first hours of the Heresy, saved by the legendary Gios Jakh.

Key events

Sources

  1. WH40k Fandom: House Vyronii
  2. Atlas compilation · source check 2026
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