Stardust is an Ethereal, a race of beings of pure energy.
For many centuries, scientists have theorized that the next stage in humanoid evolution would be to become beings of energy.
The Faltine are beings of pure magical energy that exist in their own universe.
John explains that his race has reached a new stage in evolution, in which they are evolving into beings of energy.
However, this triggers a final mutation, reverting him to a being of pure energy.
They transformed themselves into ineffable beings of energy in order to survive the transition.
Five thousand million intelligent beings of enormous energy and ingenuity exploiting their only world.
One of the Askani volunteered and was turned into a being of pure energy, giving up her body.
He is otherwise almost always represented as a being of black, shadowy energy with a mask for a face.
Other members of the cult followed this practice, eventually becoming beings of pure energy.