'''Kelbor-Hal''' was the [[Fabricator General]] of the [[Adeptus Mechanicus]] during the [[Great Crusade]] and [[Horus Heresy]]². He joined forces with Horus and assisted the renegades with all of the technology available to mankind. He oversaw the construction of the [[Furious Abyss]] in the shipyards around Jupiter for the [[Word Bearers]], after which it was used to attempt to destroy the [[Ultramarines]] chapter and homeworld, [[Macragge]].¹