The Umbral Titans is a Loyalist Space Marine Chapter of unknown Founding and origin. Alongside the Red Scorpions, Ultramarines and a few other Chapters, they possess a gene-seed record of extreme purity. Almost nothing else is known about this obscure Chapter in official Imperial records.
The Umbral Titans' Chapter colours are not listed in current Imperial records.
The Umbral Titans' Chapter badge is not listed in current Imperial records.
- Imperial Armour Volume Four - The Anphelion Project, Second Edition, pg. 117