Saphira

Thereupon Saphira arched her neck, and a jet of blue flame emanated from between her serrated fangs and splashed against the scree, blackening the lichen, which released a bitter smell as it burned. The air grew so hot that Eragon was forced to turn away. He felt the insects underneath the rocks being crisped in the inferno. After a minute, Saphira clapped shut her jaws, leaving a circle of stones five feet across glowing cherry red.

Eldest