There is a guide about general stuff that helped me out when I was starting out and it has some valid points about crossbows. It does include some spoilers (but it does say *spoilers* or is generally blacked out) so up to you if you want to take a peek:
https://steamcommunity.com/sharedfiles/filedetails/?id=843557165Crossbows section has useful info about attribute distribution. I just mention it for the reason that you generally want to either dump a stat completely or have it meet a certain required threshold for a feat you pick.