Feedback request for "I've Always Been Terrified of the Hidden-Void Graveyard"

[amattson7919]

Hello! Looking for feedback on my entry. Anything that feels too hard or unfair, anything that's boring, does the level feel too short, too long, is the secret exit well-indicated enough, and any glitches that pop up, except the one that kills the standard boss.

Here's my entry.