A: You cannot natively go beyond 800x600. Use the D2Multires mod (unstable) or the D2GL wrapper for upscaled fullscreen.
A frequent question among returning players is: "Why play 1.13c when Resurrected exists?" diablo ii lod 1.13c
While not as drastic as a full rework, 1.13c tweaked synergies: A: You cannot natively go beyond 800x600
Diablo II: LoD 1.13c is not a flashy expansion. It is a that turned a brilliant but punishing game into a brilliant and respectful game. diablo ii lod 1.13c