warhammer horus heresy journal tactica the isstvan v dropsite massacre part oneThis narrative gaming supplement for Warhammer: The Horus Heresy digs deep into the conflict on Isstvan V, when the civil war that went on to engulf the galaxy truly began. Recreate the utterly shocking initial attack of the Traitor Legions, as the Loyalists scramble to muster their defence and counter attack with additional units, missions, and special rules. This book gives you the chance to play through one of the most momentous events of the