Atlantean Trilogy Archive
An alchemist shapes a clay golem beside copper furnaces and a homunculus in a jar, with whales drifting past a sunken city beyond.

Potions of Cursed (or Reversed) Effect

Alchemy, Potion

Turns any potion into a cursed or reversed version that is hard to identify by testing or magic.

Also called Cursed potion, Reversed potion

From the book

To turn any potion into a cursed or reversed one, the brewer adds powdered fly, black cat's hair, bat's wing and mercury, 1 dr. of each, to the normal ingredients before combining them. The result is difficult to detect: a Test has a 50% chance of missing the mercury, and magical means of identification run into the same problem.

As with all potions, the brew starts from a base of one pint of clear water, 1 dr. apiece of powdered gold, silver and copper, and 1 ct. apiece of seven powdered gems, though an alchemist can use 2 drs. of Rare Earths in place of the gems. The work calls for a mortar and pestle, a small cauldron or alembic and a furnace, and it takes a week. While it ferments the mixture is unstable, carrying a 1% risk of mishap between the 2nd and 7th days. The chance of success is 90% plus 1% per level, up to 99%, and prices begin at 400 G.P.

At a glance

Ingredients
Any potion's standard ingredients plus 1 dr. each of mercury, bat's wing, black cat's hair and powdered fly
Detection
50% chance a Test misses the mercury; magical identification equally hampered
Duration
40 + 1-20 minutes (unless stated)
Base
1 pint clear water; 1 dr. each powdered gold, silver, copper; 1 ct. each of any seven powdered gemstones (alchemists may use 2 drs. Rare Earths instead of the gems)
Equipment
Mortar and pestle, small cauldron or alembic, furnace
Time to complete
1 week per potion
Chance of success
90% +1% per level (max 99%)
Mishap
1% chance between days 2 and 7 (Alchemical Mishap Table)
Substitution
Herbal substitutes for animal ingredients: double the base, -25% success
Cost
Minimum 400 G.P. (more for costly ingredients)
Requires
Potions skill (prerequisites: Read Magic, Philtres and Magical Mixtures or Herbal Elixirs)