A pretty good little maze runner, and you made it better than 90% of jam games in the category by including a simple outside map instead of making me look at endless walls. Loved that quite a bit. I can't say I was especially spooked, but it's really, really hard to get that right for me on a jam timeframe, so no loss there.
Unfortunately, the theming felt a little tacked on - the game could probably have been virtually unchanged without it and just as easily explained via "it's magic" or "because game logic". A little bit of sound or visuals upon events triggering and the enemy spawning or approaching would help sell the glitchy nature, since the disappearing doors and walls definitely feels intentional as opposed to "glitchy".
That all said, don't think at all that I didn't enjoy it, because I did, very much so. In particular, keys were placed in what felt like a very natural way, without feeling like it was tedious to find them (which is a huge potential problem in item hunt type games). I felt rewarded for playing the game, and went back again after dying to finish up because I was so close the first time!