Here you find the common room’s potion table complete with all the tools you’d need to craft a potion: crystal vials, stirring rods inset with various metals, silver cauldrons of differing sizes, and finely-tuned scales with weights carved from moonstone. Provided you had the proper spell components, of course. Thankfully, a curtain beneath the table conceals a shelf of common ingredients, recently stocked. If you’d like, you can craft a potion here.
You grab a cauldron and get to work.
What ingredients would you like to add?
You pull aside the curtain, revealing a handful of useful potion components.
These were in that box the House Elves had!
This has been collected from the fireplace.
A few owl feathers have been collected here.
A small vial of the stuff found in Oliver’s pocket.
A Viator student identified some of these on the window sill.