Yes, I found verticaliy in BG3 to be troublesome. That is also if you try to target enemies on different layer of elevation then yourself.
I am not sure if BG3 recognises "layers". I was thinking recently above it when discussing how flying could be better implemented then just teleporting across flat planes. Something like XCOM allows to move up and down through levels layers using mousewheel, but that game is build to work that way.
I am at a loss of what a good practical solution could be, but I would appreciate one. I worry it is a result of bad decisions made early into development though, and will be here to stay.
