Here is the back door into Milliways. "Novel mechanism of Miles acquisition, she randomly appeared in the back yard in the middle of shooting at a monster that did not accompany her."
"It wasn't completely random," she says. "I was flying really close to the fog between islands, and I think I dipped in a little too far. But usually this results in entering the fog between islands, not being abruptly transported to a weird... place. What is this weird place."
"How... nice," she says dubiously. "Sorry, I'm just. Having trouble with the adjustment from 'chased by house-sized monster' to 'strange bar full of real live people with souls and everything'."
"...That does seem like it would take some adjusting," says Miles. "House-sized? Approximately how big of a house?"
"Maybe not quite mansion, but large. Give me a nametag and I'll fill it out."
"Dare I ask why you were fighting an approximately mansion-sized monster?" asks Miles.
"It's a long story, but the reason I was fighting this mansion-sized monster today was to test how well my new weapon works against it," she says. "Answer: really well, but I forgot to account for how fast my new wings are and accidentally flew out of the universe."
He pens Linya: A new Miles showed up. She says she was just fighting a mansion-sized monster, and may be armed with heavy artillery, although I can't see where she's keeping it. Also she has wings and a crown. I'm slightly intimidated, but in a positive, admiring sort of way.
She fills out a nametag. Sable Arrowsmith, instance of: Miles, world: Terraria.
"The noise was sort of alarming but it's that sort of day," says Ivan.
"I'm moderately surprised you didn't do any harm to the landscape," says Mark.
"...Does it have 'non-landscape-harming' as a magical property?" wonders Miles. "Because given the sound, and the fact that you said it was effective against a mansion-sized monster..."
Linya has apparently braided Bella's hair.
"Oh. Yes. Perhaps I should've warned you that my wife is very pretty," says Miles. "No one else seems to have been struck speechless over it, though."
"No, I'm fine, I'm fine," she says. "You just. Startled me."