# Other There are other resources too that help players upgrade their assets - Heroes, Weapons and Armor. They can be obtained by winning Silver Tesseracts. The drop rate depends on the number of Heroes in your squad. Gear wheel can be obtained by Common Heroes. Wrench by Epic Heroes. And Experience card by Legendary Heroes. | Name | Can be used for | | ----------------------------------------------- | --------------- | | ![](/files/vHDWvYEMs0kAqFI2VOz3)Gear wheel | Weapon upgrade | | ![](/files/BZekccDgZy6i943DZApU)Wrench | Armor upgrade | | ![](/files/2aVZRFKTl3klZxYNqjtn)Experience card | Hero upgrade | --- # 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://wiki.sidusheroes.com/nidum/resources/other.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.