Restoration requests for dead Hardcore heroes in D2R.
It is not possible to restore a deleted character in Diablo II: Resurrected
What to do if your Diablo II (2000) characters disappeared
What to do if one or more of your Diablo II: Resurrected characters are missing
Error emerges when trying to restore the previous auth on a new device
Expiration information for individual Diablo II (2000) characters.
Request to restore a deleted Battle.net Account or game license
Information on a current issue with Diablo II: Resurrected Offline Characters not saving.
Troubleshooting steps for resolving Diablo II (2000) characters not keeping their experience or items after playing.
How to attach an Authenticator to your Battle.net account