https://twitter.com/MarioBrothBlog/status/1192584009710292993
https://smallmariofindings.tumblr.com/post/186746808460/top-a-zoomed-out-view-of-the-outside-of-the-koopa
try this: https://www.reddit.com/r/papermario/comments/ktm7og/til_if_you_revisit_the_pit_after_the_battle_the/girhbp5/