# Buy ingredients Every day you will randomly receive different offers from merchants who travel around this world collecting ingredients of various rarities. You will have to decide if you accept the offer or reject it and wait for the next one. *Please note that merchants may have different prices for the same ingredient. Decide well.* ![Potion Seller merchants](/files/cDvTb6EgV3nWy4iNxWcl) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://potion-seller.gitbook.io/potion-seller-en/gameplay/buy-ingredients.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.