Saving files from Tor directly into mounted Veracrypt drive

No, but my VDI is already on a LUKS-encrypted drive. I still don’t like the fact that opening Workstation takes me straight into the OS without any prompting of a password. I started another thread a while back where I detailed how I tried to set a screen lock and I inexplicably ran into fsck problems. Thought I lost all my data, then after restoring the filesystem there was still no screen lock:

Is full disk encryption at all beneficial on a Virtualbox VM? The documentation seems to make it out like it’s not worth it. And can it even be done without creating a new image (encryption in place)? I think LUKS is capable, but I’ve never tried it