How to report players in Diablo III.
Unable to switch regions in Diablo III.
How to report a bug in Diablo III
Information about supported languages on Diablo III for Switch
Troubleshooting steps to resolve a black screen in Diablo III
Information about why Diablo III may show as Starter on an account
Troubleshooting steps to help you connect to Diablo III
Information about the error "There was a problem retrieving items from the store. (Code 396009)."
Troubleshooting steps for latency problems in Diablo III