The Halo Effect ignores space and time.

Silentium String 33 "The Master Builder steps through the displays, as before, a dramatic enough entrance, but performed without enthusiasm. He glances at us under the cowl of his helmet, then instructs his ancilla to hand me the coordinates to the lesser Ark. No prelude, no ceremony.

That done, he faces me. "You have all I have, Didact. I share responsibility with Warrior-Servants. No longer will I bear this burden alone."

And with that, he primes the ring-making it clear why he asked me here. He wants me to see Omega Halo fire.

.....

"Artifacts within perimeter," Offensive Bias says. "One million kilometers.

"Too damned close," Examiner says.

The strange and changing quality of space-time around the star roads is subtle, yet evident in a crawling itch in our nerves and brain.

The spokes are forming, and Faber slowly adjusts the ring's angle, pulling its firing path.

The Flood's forces regroup to respond to the changing Halo angle. Star roads and ships attempt to move out of the beam's path. What we are attempting will only delay this assault, not protect us from the Flood's overwhelming force.

The hub forms.

An awful, painful glow rises along the spokes and gathers, spreading around the hub's circumference.

From the opposite, unfinished inner surface of the wheel, reflections of this horrible luminosity return to us.

All but blind Bitterness look away ... Even so, she gasps, for her ancilla must fully convey the nature of the power we are about to unleash-for only the third time in Forerunner history.

Our minds reel at the sudden release of Halo radiation.

No neurological being, no biological system, can withstand for long proximity to such a discharge.

~~The multidimensional radiated field stretches out, as designed, to Path Kethona. Massless, subtle, deadly, it will cross that great distance in mere instants. Halo energy does not recognize space and time. Path Kethona is already dead.~~

The nearest star roads in that beam twist, melt, then crumble to fragments, and those fragments ... become nothing.