I played through the whole demo and had a lot of fun! I did notice that in the boss fights it was a little too easy to get out of their range, as they don't wander if they aren't attacking (and I was able to just hop on top of their starting platform to regen all of my stamina). Useful for me, as I am not great at most games, but figure the hardcore players might appreciate increased difficulty.
Also, I'd appreciate it if it was possible to use esc or something to go back to the main menu from the file selection screen. I tried all the buttons that were listed under controls, but none worked there, had to open a file in order to get back to the main menu...