Larian Studios Forums Divinity - Original Sin Divinity Original Sin - Mods Importing Sound

So in the old version I seem to recall importing sound as being impossible.

I'm trying to do it on the EE and am running into a roadblock or two.

First when trying to import a BNK file I get this message:



Then after that message I get this prompt, which is blank:



Anyone know what type of file it's looking for? Or what the second prompt wants?