Here’s a content brief and description for "Malcador: First Lord of the Imperium" — a popular Warhammer 40,000 audio drama / short story (often sought as a PDF by fans). Malcador: First Lord of the Imperium Author: James Swallow Setting: Terra, late Horus Heresy (shortly before the Siege of Terra) Format: Originally an audio drama (2019); later released as an eBook / prose version. Note: No official PDF exists from Black Library, but fan-converted PDFs circulate. Content Summary In this poignant, dialogue-driven story, Malcador the Sigillite — second only to the Emperor of Mankind — speaks with a dying scribe named Kyril Sindermann , a former Iterator of the 63rd Expedition Fleet (and one of the few survivors of the Vengeful Spirit 's early days).