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.
- "Underwater he casts a spell which propels him towards the surface, he flies out and lands on the decking where the crowd are."
- Newt Scamander used this spell in September 1927 on a library record column in the library of the French Ministry of Magic in an attempt to help him, Porpentina Goldstein and Leta Lestrange escape from a pack of Matagots set upon them.
Behind the scenes
- Harry Potter only uses this spell in the film adaptation of Harry Potter and the Goblet of Fire to reach the surface of the Hogwarts lake; in the book he manages to swim to the surface without using a spell, though just barely.
"Ascendio" comes from the Latin word "ascendo", meaning "to climb".
- Harry Potter and the Goblet of Fire (film) (First appearance)
- Fantastic Beasts: The Crimes of Grindelwald