fieriness
red heat

Even the tombs that weren't glowing were just below red heat.

Several minutes later the screen was glowing with just a touch of red heat.

What should have been the dark side glowed just at red heat.

God, but that rush of red heat was wonderful.

He finally drew the cigar into red heat and discarded the final match.

I lied, picking up the red heat of her resentment without even trying.

I rounded the turn ahead of the others and found myself facing red heat.

The metal will retain its hardness up to a red heat.

Pain was a wave of red heat radiating down from her head.

Then the red heat vanished and the pain remained.