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Mysterious black liquid
Potion information
Effect	Fumes cause those that inhale them to see strange visions
Characteristics	Gleams like ink

[Source]

There exists a potion that is described as a black liquid, the surface of which gleams like ink. Its effect when consumed is unknown, but breathing in its fumes causes one to see strange visions.

Behind the scenesEdit

• This potion is only mentioned as a possible answer to a hypothetical question posed during the sorting quiz on Pottermore. Therefore, it is unclear if a potion like this truly exists.

AppearancesEdit

• Pottermore (Mentioned only)