At long last, here's a complete warp-less LOTAD of this hack: https://www.romhacking.net/hacks/4180/ For reference, the current RTA world record for this hack is 23:10.75
Decided to TAS this ROM hack: https://www.romhacking.net/hacks/7915/ Can't figure out the room where the file ends. (Link to video)
This is simply me messing around with TAStudio. Can't seem to make Mario climb down to the top. I suspect a console-only bug.