Stop the game from hanging on the "Connecting to Battle.net" screen.
Access all acts and character classes without ever going online. Installation Guide for Modified Consoles
To apply the offline fix, you typically need to follow a multi-step process involving specific homebrew tools.
Disable the check for a linked Blizzard account.
The is a specialized patch designed primarily for Nintendo Switch consoles running custom firmware (Atmosphere) . This fix bypasses the mandatory Battle.net account authentication that prevents players on modified or banned consoles from accessing the game's offline single-player mode. Understanding the LFS Mod Fix