The Marines Mordant are a Loyalist Space Marine Chapter of unknown Founding and origin. They are currently undergoing a one-hundred-year penitent Crusade through the Tempest Hippocrene in recompense for some unknown offence or dishonour. Almost nothing else is known about this Chapter in current Imperial records.
The Marines Mordant's Chapter colours are not listed in current Imperial records.
The Marine Mordant's Chapter badge is not listed in current Imperial records.
- Legion of the Damned (Novel) by Rob Sanders, pg. 26