Gather a heat-safe cauldron and a wooden stirrer
Add 1 cup clear water
Add 1 tbsp powdered silverleaf
Add 1 tsp ground nightshade (use only a pinch)
Add 1 tsp salt
Stir clockwise for 10 minutes
Remove from heat and let cool for 5 minutes
Strain through clean cloth into a dark bottle
Seal the bottle with wax
Label as “Potion of Weakness” and store away from light