- Third War for Armageddon (998.M41) - The Immortal Hearts sent one Battle Company in defence of the world of Armageddon against the green tide of the massive Ork WAAAGH! led by the infamous Warlord Ghazghkull Mag Uruk Thraka during the Third War for Armageddon.
The Immortal Hearts' Chapter colours are not listed in current Imperial records.
The Immortal Hearts' Chapter badge is not listed in current Imperial records.
- Epic Armageddon Rulebook, pg. 70