Tallarn

Amidst the Warmaster's relentless campaign for galactic domination, Perturabo, the vengeful primarch of the Iron Warriors, launches a devastating assault on the world of Tallarn after departing from Iydris. This brutal conflict leads to a year-long barrage that annihilates millions and entrenches the survivors, revealing a clash of epic proportions. However, Perturabo's motives extend beyond mere destruction; he harbors a darker purpose that drives this catastrophic onslaught.