Why didn't the timeless one die from the halo blast it took

Games Other Halo
#1

The title is my question. It destroyed his prison, so why didn’t it kill him?

#2

The attack wasn’t very effective.

#3

> The attack wasn’t very effective.

I lold.

#4

Theoretically, because he was a Precursor and is beyond normal sentience (making him immune/resistant to such a weapon).