Great news, after not getting a reply I decided 'f it, since so long has passed maybe it will work now like what happens to some other old games after a Windows update randomly breaks/fixes them." Started a new run from Act 2, made it to tartarus, and it did work, tried adding the DLC 1 by 1 to...

After the mission to rescue Yarrick, the game crashes attempting to load the next mission after completing its cutscene. Crash happens if I let the cutscene play out or click through it. I own the game through Steam, tried validating it, reinstalling it, and removing untold stories which I didn't ha...