I think your best bet is gonna ask Luzbel or Cordellium directly as they're the only two people to have ran with that stepcount.

I have the spreadsheet that he had in his video, but it doesn't reference the battle setup/stepID setup with walking steps like the video had. :/ IIRC it was 18 battles and some L+R walking movement by the cave entrance, but as for the specific ID, I can't remember. :/

Here's my tutorial on how to set up this step count: