During the Great Crusade and Horus Heresy eras, Adept Lukas Chrom was the Forge Master of the mightiest forge temple of the city of Mondus Gamma on Mars. Along with several other members of the Mechanicum, Chrom secretly pledged his support for the rebellious Warmaster Horus during the opening days of the Horus Heresy alongside his master, the Fabricator-General Kelbor-Hal. An insufferable and arrogant individual, Chrom enjoyed the favour of the Fabricator-General in return. Chrom secretly constructed a deadly war robot known as the Kaban Machine which was a fully sentient thinking machine -- a forbidden technology known to the Mechanicum as A.I. (Abominable Intelligence) because similar creations had once turned on their human creators and unleashed a horrific ancient war. Despite his bes