Survives explosion

The counter hits zero. Fel drops to the ground, hands over his head . As the tunnel grows light, that last line repeats in his mind.
Brightly burning.
...
Four detonations blow up through the floor of the machine hall, spread along the Sighted's defensive lines. Four fireballs that reach the ceiling of the manufactorum in white hot-columns. The floor tremors under Raine's feet.
...
When the firing stops,and the Sighted are dead and smoking at their feet, the lead figure bows his head in greeting. His carapace armour is peeled back to the grey, and he is masking a limp.
'Not dead yet, then,' Raine says to Andren Fel.
The storm trooper captain lifts his closed fist over his heart.
'Not yet, commissar,' he says.

Honourbound pgs. 52, 53 and 55