Hello there unspeakable_josh,
I regret to inform you that your map has been
REJECTED.
Your theme is unoriginal as we already have maps based around caves and "the underground". Please look at our list of maps
here so you can chose an original theme
The build of your map is a concern. There is no detail and depth to your parkour. In addition most of your parkour is floating which causes the map to look messy. Have a main build so that you can add missing depth and texture and path your parkour on it.
Unfortunately, your parkour does not fit the hard difficulty. It fits more of a medium difficulty (this map is too long to be a medium). Please make sure all jumps are possible. You have a barrier above a vine which makes it impossible to go on top of the block. Also, when going backwards there's a jump that's impossible too. In addition, please do not use single iron bars or iron panes as they are not allowed. There is some variation, but there can be more. Use blocks such as ladders, water, fences, heads, etc. to make the parkour more enjoyable and less repetitive.
We hope to see more maps from you in the future!
Have a good day/night
-Hayley