Tried to do the following:
reinstalling the game;
checking file integrity;
moving the game to another disk;
changing Proton versions (Experimental, 10, 9, Hotfix);
trying to debug with Panorama Debugging (instant crash on any attempt to interact with Shop UI);
to no avail.
When I hover over certain items (confirmed on Spirit Burn) in Shop or while checking players' inventories, the game crashes silently (no error messages produced).
Running on Proton-GE, latest version available on Arch. What's interesting is that on Proton Experimental and Proton 9.0-4 the crash...