Chaos bezerkers move towards the chimera as well
A very successful chaos turn has one group of bezerkers kill off a squad of guardsmen. The second group of bezerkers gets the chimera and the plague marines used their flamers to start an assault on an imperial command squad only to find their flamers did the job.
The defiler has lost it's battle cannon to autocannon fire but still pushes forward as well.
The chaos raid on Edious III was lead by a mix of Khorne, Nurgle and Tzeentch supporters.
Fabius Bile was to lead a small team to secure the landing site for the assault craft south of the main city.
This is that struggle