Changes

|Released = December 20182017|Collected in =[[Black Library Events Anthology (2017/18)]]<br>''[[Heirs of The Emperor (Anthology)|Heirs of The Emperor]]''

"'''A Lesson in Iron'''" is a short story by [[David Guymer]] in the [[Horus Heresy: The Primarchs]] series focusing on [[Ferrus Manus]] and the [[Iron Hands]].{{Fn|1}}

At the height of the [[Great Crusade]], the ''[[Fist of Iron (battleship)|Fist of Iron]]'', the mighty flagship of the [[Iron Hands]] [[Space Marine Legion]], pursues an [[ork]] cruiser into the pull of a dangerous [[warp rift]]. A rare phenomenon, little is known about the rift, but [[Ferrus Manus]], who commands the powerful warship, is about to learn more than he wishes as something emerges from the rift. Something impossible. An Iron Hands warship that seems to be from the future...{{Fn|21}}

*{{Endn|1}}: [https://web.archive.org/web/20241224121032/https://www.trackofwordsblacklibrary.com/2017the-horus-heresy/09quick-reads/17/blackadvent-2018-9-librarya-weeklylesson-in-wciron-110917/ Track of Wordseshort.html Black Library: A Lesson in Iron]*{{Endn|2}}''(saved archive page, dated 24 December 2024, last accessed 20 February 2025, original link: [https://www.blacklibrary.com/allthe-productshorus-heresy/quick-reads/advent-2018-9-a-lesson-in-iron-eshort.html Black Library: A Lesson in Iron])''