I have seen Diablo 2 BATTLE.NET download link (Rhykker video) floating around. I have noticed "D2X_BACKGROUND.PNG" in exported strings and it got me curious and since we cannot see the launcher image,
Diablo® II Lord of Destruction® (2001) - Diablo II: Resurrected | Battle.net
Diablo II: Lord of Destruction (DLC) Battle.net DLC digital for Windows
How to: Fix Gateway: None - Battle.net Diablo 2 - YouTube