You're quite welcome. I thought you did a fairly good job with your fighting system (did you use Shuffle lists?). If you need full help on how to make an RPG in Bitsy, please see this:
https://github.com/david-c14/BitsyTrix/wiki/RPG-Fight
Also, you can only make 1 potion (the other always reads as: 0). And ok, the one-time-use item makes sense for why the lever glitch happens. You can stack items, if that helps with your issue.
Bitsy hacks aren't frowned-upon afaik. I just prefer to not use any, since I like tinkering-around in game engines (eg. I've done a lot of work in OHRRPGCE, and after I recently-found again the 'Lights' Bitsy Game, I actually made a version of it in Bitsy Unlocked using Room Duplicates, which taught me a lot about those, but I plan to also make it in actual browser engines that use HD, like: Bitsy Color, Bitsy HD, and Bipsi HD).
I may find a way to make your Graves' Save System without using hacks, as it would surely be a boon to be able to save in Bitsy without using hacks. I'm busy with life right now, but taking a bit of time now and then to check-in on the Forum in case anyone needs help. :)
Ah, Bitsy HD; I'd wrongly assumed your game was made in Bitsy. Looking forward to the finished game! Thanks for your feedback as well. Cheers!