The Deredeo Pattern Dreadnought was developed during the Great Crusade for use by the Space Marine Legions. This pattern was developed as an outgrowth of the same project to improve upon the fusion of Terran and Mechanicum technology which gave birth to the first Legiones Astartes Dreadnoughts, such as the Castraferrum and Lucifer Patterns. It shares many core components and systems with the hugely successful Contemptor class, but rather than a general assault unit, the Deredeo is an expressly designed heavy weapons platform, intended to combine superior firepower with the flexibility and durability of a Dreadnought chassis. Deployed in limited numbers for each of the Legions, the Deredeo was treated as a specialist unit as it proved highly resource intensive to produce and maintain, but i