I think this is what happens when Tzeentch has a house party…
For Tanith! For Verghast! For cold and flu relief!
In the next Gaunt’s Ghosts novel Dan Abnett should have the Ghosts face a Chaos cult called the Histi.
That way they could fight them with anti-Histi-mines!
(Yes, yes, I’ll go drive over my head with a chimera now…)