Also, here is an entry from Windows 'Application' Log for the crash that corrupted the save file:
Faulting application name: adom.exe, version: 0.0.0.0, time stamp: 0x564f7a9c
Faulting module name: adom.exe, version: 0.0.0.0, time stamp: 0x564f7a9c
Exception code: 0xc0000005
Fault offset: 0x00030e90
Faulting process id: 0x3cb4
Faulting application start time: 0x01d13b881cd4375d
Faulting application path: D:\Games\SteamLibrary\steamapps\common\ADOM\adom.exe
Faulting module path: D:\Games\SteamLibrary\steamapps\common\ADOM\adom.exe
Report Id: dd643475-04cb-4031-bbe4-999f5076e385
Faulting package full name:
Faulting package-relative application ID: