Lil' game for lil' wizards (or big wizards, if you press up enough times). It's got some nice atmosphere.
The moment where the big flying spike rapidly approaches you reminds me of those banzai bills from super mario world kaizo romhacks, cool to see.
I experienced some issues with collisions when scaling. That sort of thing is tricky, I'm sure with more time to develop the idea you could get it to be more consistent, keep at it!