# Heroes ![](/files/-MjZEdRg9NaOgINQTKWE) Thetan Arena is an e-sport game based on Blockchain technology. You can gather your friends, form a team, battle with others and earn money with just your skills. When players join Thetan Arena for the first time, they will be given a free hero named Raidon at Level 1. Free heroes will not be sold on the marketplace. Heroes in other rarities can be unlocked from Thetan Box. Heroes in Thetan Arena are categorized into 3 other groups according to their signature skills and statistics, including **Tank**, **Assassin,** and **Marksman**. --- # 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://doc.thetanarena.com/gameplay-1/heroes.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.