Your Vault contains items you collect or purchase, such as Potions, Dark Detectors, and Runestones. The Vault is separated into five sections: Potions, Ingredients, Utility, Runestones, and Seeds and Water.
Potions are magical concoctions prepared by combining ingredients in your Ministry cauldron, like a Baruffio’s Brain Elixir.
These are items you collect from the map or gather from Greenhouses, like Dittany, Unicorn Hair, and Butterscotch.
The items stored here are particularly useful. Spell Books and Scrolls help you advance in your Profession. Dark Detectors will reveal higher Threat Level Traces. Keys will help you unlock Portkey Portmanteaus to transport you to a wizarding world location.
Runestones are used to enter a Chamber and participate in Wizarding Challenges. They define how difficult the Challenge will be as well as the rewards you receive.
Seeds and Water
Seeds and Water are used in Greenhouses to grow ingredients for Potions. Gather seeds and water from the Map.
Purchasing Additional Vault Capacity
Some Vault sections have a capacity limit. If a Vault section is full, you will not be able to acquire some items that are stored in that section.
To increase the capacity for a Vault, tap the button (if the Vault section is full), and spend Gold to expand it. Each capacity purchase permanently increases your Vault size. You can also purchase Vault capacity in Diagon Alley.