Mnos Catastrophe
The Mnos Catastrophe was a conflict, that saw six Imperial Forge Worlds fall to an invasion by the Dark Mechanicum. The Knights of House Daitan came to the Forge Worlds' defense, but they were all captured and then tortured in a fatal Chaos ritual that destroyed their Knight House.[1]
Sources
- 1: Chaos Knights Preview 2: Dreadblades (last accessed 4 July 2019)