One who has never seen these cliffs cannot possibly form any true conception of them, nor can I breathe into my description the invisible aura of malignity which seemed to emanate from them.

The series gave clues, such as depicting the Creatures of Darkness with coal-black eyes (according to Daniel Knauf, Creatures of Light have an invisible aura).

Rather, it was as if he was surrounded by an invisible aura that not only protected him from harm but kept those around him safe as well.

It was only that invisible aura of power that surrounded any president that made Andreas seem like Superman to the people around him.

Furthermore, all members have an invisible aura around their bodies that prevents themselves and their clothes from being affected by air friction as they move at high speed.

It was later explained that the post-Crisis Superman's body generated an invisible "aura" that surrounded him and contributed to his invulnerability.

He became interested in stories of a nimbus or invisible aura around living creatures that he thought reflected their states of health.

It was rather an invisible aura which was hers-maturity, wisdom, and also-authority!

So it was that, as Liane came to life on the screen, an invisible aura of womanly tenderness became alloyed with her feline gestures of triumph.

Casey took opportunity of this event to recruit Joya for her secret task, claiming she saw an invisible black aura around Kigoy.