# Mystery Boxes **Mystery Box** is a box that can be randomly acquired while playing Normal Mode. These boxes contain items that are useful in advancing through the game. Typical items are tokens and equipment. To open a box, a certain amount of time and tokens are required. There is also a limit to the number of boxes one can own at one time. Factors that affect the drop probability and rarity of mystery boxes are as follows. Energy used per session, NFT's luck value, Type of NFT (subject to change). --- # 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://drivearth.gitbook.io/drivearth-whitepaper/game-systems/mystery-boxes.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.