The first round of the Decurion would have struck at the chest of the former techpriest. However, unexpectedly the form dissolved into smoke which rolled along the floor, covering it in a thin black mist.

The entire salvo slammed into the hull behind where it had stood, the rounds digging themselves a good inch into the material before detonating and sending shrapnel flying.
The black mist following the path the ork was taking, towards the fallen angel.