# Gems There are 2 classes of gems - 1 provides basic attributes, and the other class acts as specific tools for replenishing energy, breeding NFTs etc. * **Gem Slots:** When NFTs reach levels 5, 10, 15 and 20, users can open gem slots. * **Gem level:** 3 gems of the same level can be combined (gem synthesis) to create a high-grade gem * Gems can be obtained through mystery box drops when riding. --- # 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://whitepaper.motorn.io/game-fi-mechanisms/gems.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.