How to play Blizzard games in offline mode.
Information on a current issue with Diablo II: Resurrected Offline Characters not saving.
Information about an issue players using offline mode on PlayStation systems may experience
Information about how the Appear Offline setting in your friend's list affects visibility in Battle.net Games.
Versus mode requires being logged in to Battle.net
What to do if one or more of your Diablo II: Resurrected characters are missing
Troubleshooting for issues loading the BattleTag or Real ID friend list
What to do if you receive this error when attempting to start Diablo II: Resurrected
Blizzard servers could not be reached or may be offline.
After a paid service the Guild Chat and Roster Status displays the character's old name, realm and race.