I'm incredibly annoyed that you cannot edit all the hotkeys in the games such as your item slots from 1~6 or any of the menu buttons. I original had my skill level up buttons between 1~4 but I had to change this because I wanted to be able to use the item quickslot keys. I also hate having the "Teleport Back" button as B. I never push B and I'll never open the shop with P (what were they thinking?). Why isn't every button customizable?
I purpose that all commands on the keyboard should be customizable.