[A to Z April] N is for Nightshine Spectral Malt (potion)

http://www.a-to-zchallenge.com/

This potion comes in a small vial sewn from treated canvas with a cork stopper. The vial holds a single dose of the potion. The vial typically has a maker’s label sewn into one seam.

The fluid itself is a sparkling brown color which bears a very strong smell of dust. The taste, however, is of a mild vinegar. The potion takes effect in 2d4 rounds and grants the imbiber the ability to see in the dark, as darkvision with a 60-foot range. To creatures who already have the darkvision ability, it grants an additional 30-foot range. While the darkvision is in effect, the imbiber’s facial muscles twitch randomly and uncontrollably.

Each dose costs 250 gp and lasts one hour.

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Previous "N"s:
2014: N is for Nestspirit Caverns (map)
2013: N is for Nalicon's Plague (spell)
2012: N is for Noises in the Dark (table)
2011: N is for Nano-dice