IMPORTANT: Make sure you've logged in to Hoyolab with the HSR account you want to be scanned (not your secondary account, etc). Otherwise, your data won't be scanned.
> What this gives access to: All of the data visible in the Battle Chronicle. We'll only use data of your characters, weapons, artifacts, and teams used in endgame modes. Other elements found in the Battle Chronicle (Trailblazer Power, achievements, ongoing assignments) will be ignored.
> What this does NOT give access to: Your Hoyolab or in-game account credentials (email, password, etc).