Yes, members and non-members alike can purchase potions, scrolls, and food items.
Ingredients.
A potion is a mixture of ingredients which is thought to achieve a specific effect though the use of magik.
They are liquids that are intended to be drunk. It is often claimed that they have magical, medicinal or poisonous characteristics.
When you first get to the Shark Tooth Island, there is a guy giving out milk. Get milk and then go over to the guy giving out grass skirts. Get a grass skirt, go over to the ancient ruins and jump on...