thank you for trying it out! I'm glad you think it was great :) and good to know it was difficult, I was worried whether or not I should increase the health of the boss >< the swinging animation sound effect I forgot to implement!! but thank you for pointing that out, I've been worrying about which sound effects have been implemented, and now you just brought to light what I forgot, thanks again!
for the healthbar, I've fixed it- it must have been an issue with the export! thank you for playing and finding it fun! :)