House Achelieux was a powerful Navigator House of the Navis Nobilite during the Great Crusade and Horus Heresy. It was led by Novator Pieter Achelieux, a genius said to be marked one day for the Paternova. The House was tasked by the Emperor during the Crusade with researching the mysterious Dark Glass artifact.
Its current status is unknown.
- Pieter Achelieux - Novator
- Veil - Standard Human Magister and vassal. Secretly recruited by the Paternova to destroy the Dark Glass due to the threat it posed to the Navigator Houses monopoly on Warp travel.[1a]