Alt/shift/ctrl for showing different skill bars

More skills available for each bars or ideally more customization.

Better keybind options in general

Ability to have a character target their self with offensive spells (plenty of reasons to do so)

Party wide actions: Putting all characters into stealth mode for example.

A clear buffs/debuffs list along with environmental info(standing in blood, water, etc.)

Better skill book availability at vendors