OK so for the Definitive edition some ppl made some research and found the issue with it when running on Lutris/wine
https://old.reddit.com/r/linux_gaming/comments/9dnvk8/radare2_patch_for_divinity_original_sin_2/And they made a patch for the executable.
@the devs this might give a good hint on a possible bug as well so i thought it might be useful for general game support