Lovely game! Well made pixelart and level design. I see you made it with Gamemaker. Reminds me to the first game we've done, PIXELMAN (published on Steam). Now we've moved to Unity.
I managed to beat the game, last level was really a challenge, considered I died several times and my mana was 30 max.
Just a few small things I would like to point out. The roof and ground spikes are somehow hard to spot. Maybe they should be more contrasting with the background to be easier to spot and avoid. Didn't had time to replay and try to gain the "never die" achievement. Also, uncheck the option in Gamemaker of "Quit on Escape", cause I accidentally press it in the last level and had to start over again :(
Anyway. Some minor point you can correct after the review period ends.
The game is great! Good job! Congratulations!