Peruvian Darkness Powder

Instant Darkness Powder

ingredients: unknown

When thrown into the air, turns the immediate area pitch black so that common light spells and fire magic will not work in the area of effect, although a Hand of Glory will (HBP29).

A Weasleys' Wizard Wheezes product imported from Peru; (HBP6).

"Handy if you want to make a quick escape" (HBP6). Unfortunately, the wrong customer(s) bought some of it prior to the battle of the Tower (HBP29).