"The old hag was unpleasant to be around. She wasn't much of a talker, and had a habit of being less than amicable to strangers. But she had the real thing- real magic- for whatever purpose you wanted, no questions asked. Almost.
Each bottle came with a stern warning, spoken in that hissing low voice of hers:
"Price is for the brew alone. The spirits, the herbs and the fungi will demand their own share in time, and you better be prepared.
No one ever asked for a refund. Everything has a price in the end."