At least some content in this article is derived from information featured in Fantastic Beasts: The Crimes of Grindelwald. As such, spoilers will be present within the article.
Nebulus was the incantation of a spell that conjured fog from the tip of the wand. In 1927, Albus Dumbledore used this spell to conjure a fog in London to provide concealment for his meeting with Newton Scamander.
- The incantation comes from Latin "nebula", meaning fog, cloud, or vapour.
- Fantastic Beasts: The Crimes of Grindelwald
- Fantastic Beasts: The Crimes of Grindelwald - The Original Screenplay (First appearance)