This guide assumes you own a legitimate copy of Diablo 2: Resurrected on PC (Battle.net version, not the Microsoft Store version, which has stricter UWP lockdowns). This fix is for offline, single-player use only .
: Add or modify the line: "User Last Online": 9999999999999999999, Using this string of nineteen 9s effectively sets the "last online" date far into the future, preventing the "30 days offline" error from triggering. Running Mods Offline diablo 2 resurrected lfs mod offline fix for v exclusive