Honkai: Star Rail codes and how to redeem Honkai: Star Rail codes are a way you can get some free Stellar Jade for pulling characters in the turn-based sci-fi adventure without having to open your wallet. Similar to Genshin codes, these free rewards appear periodically—usually around a livestream or event—and last for a limited time.
If you're savvy and redeem them you can get some freebies, which lighten the burden of your Stellar Jade farming if you're a no-spend player. Star Rail works exactly the same way as Genshin in terms of getting new characters, and while some can be claimed for free like Herta, Qingque, and Natasha near the start of the game, others have to be warped using Star Rail Passes that cost Stellar Jade to purchase.