Sensorium: A class of Transmutations. Superhuman powers of sensation, from the perception of auras to clairvoyant observations of distant places and people.
There were more dementors in here, casting their freezing aura over the place; they stood like faceless sentinels in the corners farthest from the high, raised platform.
The smoke and ash are the main ingredients for creating this aura of something only seen in sci-fi acting very much like Mother Nature's own Instagram or Snapchat filter.
The event – held at Apple's headquarters in Cupertino, California – featured the tagline " It's glowtime" , with the company's logo surrounded by a colorful aura.