The Imperial Fist Chapter’s 5th Company, known as “The Heralds of Truth”, have a penchant for long-range firepower and marksmanship which goes beyond the norm of other Imperial Fist astartes.
- 968.M41: 5th and 9th Companies are deployed to Khai-Zhan to suppress the Khai-Zhan Uprising alongside four Cadian Imperial Guard Regiments. The Imperial Fists force is decisive in countering the Night Lords taking part in the uprising and lays siege to the heavily fortified citadel the Palace of Peace.
- M42: The War of Beasts on Vigilus. 3 Companies and 1 demi-company under 5th Company Captain Dravastis Fane is sent to the warzone.\
- The Scouring of Vernalis: Task Force Gauntlet liberates the planet of Vernalis from Chaos. The Task Force is composed of elements of the 10th, 5th, and 1st companies and defeats a warband of Roaring Blades and Emperor’s Children under the command of Arch Traitor Sybaris.[6c]
- Battle of Mithron: The Imperial Fists 5th Company is destroyed defending the shrine world of Mithron, home to the sacred Liber Mithros, from Chaos daemons and Black Legion Chaos Space Marines. However, two survivors manage to keep the artifact secure and are rescued by a force of Ultramarines.