Pretty fun so far as for demo. Beatin whole with secrets... Honestly, I don't know what more to say that hasn't probably already been said by people in the comments or your patrons xd
Maybe - Have u consider yet how u gonna release ur game? (Where and what price)
Xiphos blade is the most broken thing so far in this demo. No mana cost + holding D makes char literally invicible (enemies stuck at ur char and can't subdue. It works at few of them yet still)
Mess about sensivity display default (Frann) name instead of player's name
And probably that's all. Good luck with ur project and other things that aren't seen