He used it to stoke his internal fires and prepare for battle.

Smoke was puffing from it, as its internal fires heated.

Moving the mattress, he added, helps the internal fire to burst into the outside air.

The internal fires had not yet forced their way through.

Her eyes were glowing as though lit by some internal fire.

That in turn would cause Long Reach to dampen its internal fire.

It was still pitted and veined with its own internal fires.

"It has stood against the internal fire for many a day, and will do so till we leave it, at any rate."

Then he realized the heat came from the dragons' own magical internal fire.

All of them faced a small cabinet, which was lit by its own internal fires.