It goes out until the end

It's actually not that big, considering it's a separate dimension. I'd say maybe it's the size of a large Aether island. But I'm terrible at guessing.
12:40 PM - Zer0 - I SNORT GLASSSSSS: place a bed down :o
12:40 PM - |MAD| Regulith: KABOOOOOM
12:40 PM - Zer0 - I SNORT GLASSSSSS: figured, lol

I have no idea how to get out of here.