a pungent brew

Little juniper berries float on the surface of this brew, which emits a strong,
pungent fragrance. Remains of cooked, dark green leaves with rusty brown
backs lie on the bottom of the cup.

It is a pungent brew.
It weighs a couple of pounds.

You identify a pungent brew.
It is a magic and unsellable potion.
It increases mana by fifteen and mana regeneration by fifteen for two hours.
After that, it increases mana by seven and mana regeneration by seven for four hours.
After that, it decreases mana by five and mana regeneration by three for six hours.
It weighs two pounds and three ounces, and it is worth about one celeb.
Its keywords are brew and pungent.