a small green bottle

This small green bottle is simple, yet elegant in shape. A faint smell comes out of its stopper, sweet and slightly inebriating.

It is a small green bottle.
It weighs half a pound.

You identify a small green bottle.
It is a potion.
It purges all other potion effects and cures flu, plague, amibia, and poison.
It decreases mana regeneration by ten and willpower by two for two hours.
After that, it decreases mana regeneration by five and willpower by one for four hours.
It weighs seven ounces, and it is worth about four lauren.
Its keywords are bottle, green, and small.