I think I ended up fleeing the jester because my HP was getting low. Your additions sound like good ideas. I did not notice the HP increasing beyond max myself, but I believe I only used two potions when my health was quite low.
Viewing post in Knight's Vendetta jam comments
OK. So he called you the "Coward Knight", then. I hope you can have your revenge and beat him another day.
I made an afterjam patch to the game, with some bug corrections and improvements.
If you come back to the game page, you will see a new paragraph in the game's description, called "AFTERJAM EDIT", and a 5kB zip called "KV_afterjam_patch.zip".
Your suggestion has been taken into account and is one of the improvements to the game.
Another good change I made is that you can now drink potions in the castle when not fighting.
Now I think the game is complete. That game jam was fun !