Ah. Of course. He shouldn't have worked from Tacitca Imperialis.

"Softer than velvet, harder than steel, 
The warp-spawned illusion will become real."

He reworks the battle plan. No, that's not the right name anymore. It's a ritual sacrifice, a spell wrought in blood and fire, not a battle plan.

"The left hand path is now my right,
The sensor’s shadow is the light.
The poison is the welcome meal,
The open gate lies in the seal. 
Do I deceive you? 
No!
I greet you..."

Forces arranged in sacred geometry, meant to die, and in death grant the blessing of deception to his team. Each sacrifice a pick tapping on the ward's lock.