Interesting, I would have thought that the Index controllers would be particularly good at grabbing and throwing, but I guess the dev needs to account for them in a more elaborate way than just binding a button. I'm thinking about getting some Index controllers soon, so I might be able to test it out then and see what can be improved (but definitely after the rating period).
Regarding the scroll, there seems to be a bug when you pick up the scrolls with your hands instead of throwing the orb at them. The first scroll should give you an ability where you can view the world from the orb's perspective to spy around corners.
Regarding the spinning blades, you can already kill the enemies in one hit by setting the orb on fire (by throwing it into a torch or a fireplace), though not all enemies have sources of fire nearby. We would definitely like more combat options though, e.g. being able to use the orb like a grenade by triggering an explosion after throwing it (which would also make the sticky upgrade more useful).
Again, thanks for the detailed feedback, I'll check out your game in a bit!