i came to you because every time i install Battle.net, the login screen appear during the installation but after that he crash all the time. I check the log and there is no information (only that Wine kill all his process and the game thread stopped). I try to change wine version , reinstall Nvidia driver same for DXVK.
i already followed some instructions in the forum or in the battle. net page like
I had a similar problem on Ubuntu 18.04 so my guess is that it applies to you as well, since Mint is based on Ubuntu/Debian. The default repositories are not as current as they could be so I followed the instructions for my system at the following link: https://linuxconfig.org/install-and-test-vulkan-on-linux#h7-2-ubuntu
I’m using an AMD card, so I’m not sure if this will apply to you but it would be my first guess. I hope this helps. Good luck.