It's unclear if all of these tunnels do such... If there are even more than this at least, but this one and the previous one had a room at the end of it.

Description: -mawile she/her ---------- Eye colors: yellow: Neutral dark orange: Asleep(?) red: Anger light blue: Proud Shimmering: Suspicious green: Serious pink: Amused gray: Sad/Defeated purple: Scared dark blue: Happy