This is my favorite game of the jam (out of the 30 of so I've played). Maaaan, what a cool little game ! With some improvements here and there + expanding it a bit, you could definitely put this up on steam for 5$. I'd buy it honestly !
So this is a 3D metroidvania zelda-like which is extremely cool ! Each ability impacts in a significant way how you interact with the world and allows you to discover plenty of secrets. Secrets being the key here ! On top of being a metroidvania, this is also a metroidbrainia (sorta like Outer Wilds) which is a genre I absolutely love. Discovering how to go for the 0% run was a treat. Though, I would recommend not telling the player at the start that a 0% run is possible. Perhaps that could be a secret to uncover within the game itself.
Now, I've had glowing praise for this and I've rated the game fairly highly, but there are issues here. One of the issues is related to the movement. Ground and air movement felt fine, but the jump was perhaps a bit too floaty. My main issue likes with the dash and the wall jumping which both feel janky. The dash maintains your vertical speed which gives you a variety of results. This would work well in something like a Sonic game, but here it gives you unreliable results. Furthermore, if you dash without the full bar, you'll get a partial dash which also contribute to it feeling unreliable (despite the reason why that's the case being apparent). The wall jump worked, but it feels janky. Perhaps a wall slide animation could improve it. I'd also add in a ledge grab.
My main issue with the game is the combat and I feel like it is the main thing holding it back from a full release. It feels hard to hit enemies due to the low range of the staff (and lack of lock-on ?). They move in weird ways. They'll suddenly gain a lot of speed and it doesn't feel very natural. One fight in particular was frustrating: the fire yokai. For this, I'd recommend going all in on the inspiration from 3D Zelda and take its combat system. Adding a lock-on feature and all. Also, enemies should not respawn unless you ring a bell imo.
I also really like the presentation. The NPCs added life to the game and had neat little designs with their own masks and colors. Some of the animations need work, but it worked for the jam. I also enjoyed the music. Solid stuff !
To conclude, it says a lot about the core of the game that I enjoyed the game as much as I did despite my issues with the combat/movement. Keep working on this ! It's really cool and I'd buy it ! Also, extra cool that this is your own engine !