Horus Heresy: Journal Tactica: The Forges of Saturn

This 48-page softcover supplement contains:
Exemplary Battles: How Saturnine Terminators and Dreadnoughts fought at key engagements, including the Dropsite Massacre at Isstvan V, the War of Bitter Iron, and the Kolarne-Distal Incident.
Saturnine Plate: Rules for Centurions in Saturnine Terminator Armour, Saturnine Terminator Command Squads and Word Bearers Phraetus Anointed Conclaves, alongside the Thousand Sons Osiraean Prosperine Arcana.
Historical Detachments: Rules for Linebreaker Echelon Apex Detachments and Maelstrom Sentry Battery Auxiliary Detachments to include in Legiones Astartes armies.
Additional Missions: The historical Ignis Sector Assault Legendary Mission and the Onslaught Mission Pack, featuring heavy assault scenarios pitching indomitable attackers against staunch defenders.

You will need a copy of theWarhammer: The Horus Heresy Age of Darkness Rulebook and either Liber Hereticus: Traitor Legiones Astartes Army Book or Liber Astartes: Loyalist Legiones Astartes Army Book to make use of this supplement.