How to reset a wine prefix configuration?

TLDR: I have Battle.Net installed, then tried to install a .dll (shell32) and now Battle.Net itself won't launch.

Battle Net was working fine until today. I installed "Avowed" (https://us.shop.battle.net/en-us/product/avowed) and then it didn't finished updating. I saw in the logs: wine: Call from 00006FFFFFC1CF57 to unimplemented function ext-ms-win-shell32-shellfolders-l1-1-0.dll.SHGetKnownFolderPath, aborting, then tried to install a .dll (shell32) and now Battle.Net itself don't launch. Not winecfg/winetricks inside the settings options. Is there a way to "reset" the wine settings without nuking everything?

The current logs when I try to run Battle Net are: https://paste.rs/ddfZj

Thanks.
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