Howling Griffons
GW canon
Summary
Traditionalist Codex Chapter of endless oaths; swore vengeance on Periclitor after the ambush of 220.M38.
Allegiance
Loyalists
Founding
Founding c. M33 (no ordinal)
Homeworld
Mancora (recruiting world with many psykers, kept in constant warfare)
Colours
Quartered yellow and red
Doctrine
Balanced Codex Chapter without specialty; bike line-breaking assaults
Epoch
M33–M42
History
The Chapter arose around M33 as an Ultramarines successor. In the Arios Point ambush (220.M38) Chapter Master Orlando Furioso and most of two companies fell, starting a feud with the Word Bearers; the Chapter swore to destroy Periclitor. In the Badab War (906-909.M41) its small task force was mauled by the Executioners at Khymara. It sent eight companies to the 13th Black Crusade.
Notes
Every oath counts as an eternal conflict until fulfilled; completed oaths are inscribed on parchment or armour. Mancora is kept in constant warfare to supply disciplined recruits and yields many psykers. The gene-seed is flawless. Fortress-monastery: The Proud Eyrie.
Additional Information
Founding, detail
Around M33 (exact year unknown)
Sources
Lexicanum, article “Howling Griffons” (revision 777601, retrieved 25 Oct 2026): https://wh40k.lexicanum.com/wiki/Howling_Griffons. Works cited there: Codex: Eye of Terror (3rd Edition); Chapter War (Novel); Imperial Armour Volume Nine - The Badab War - Part One; Imperial Armour Volume Two - Space Marines and Forces of the Inquisition.