Fun fact 1: The game is in Early Access.
Fun fact 2: You cannot normally access level 5.
Fun fact 3: A shitton of class features and systems are not yet implemented, never mind working properly.
By all means, feel free to offer suggestions to Larian about how you would like to see the game work. That's fine and good. But perhaps take fun facts 1-3 into consideration before jumping to conclusions. There is perhaps a connection between fun facts 1, 2, and 3.