Sorry, I've been out for a bit, so I'm sorry for the late response, but you need to be on mobile and instead of pulling the movement thingy fully you just move it a bit up and then it walks slower
Through the multiversal portal, you will see 3 different box things you need to go to the back of the middle box and just hug the wall on the back of it and you will find a ladder, just climb up and ggs