Wands are miraculous tools that can work as a flashlight to shed light on dark areas, but what spell do you use to turn that light off?
Answer Nox
Nox, or the Wand-Extinguishing Charm, causes the light at the end of the caster's wand to go out, thus making it the counter-charm to the Wand-Lighting Charm, Lumos. Hermione and Harry famously used this spell to try and hide while inside the Shrieking Shack.
Asked by Rachel Bortles · Last updated 5 years ago · 9.3K views · SOURCE