She flies on intercessions, and generally brings him along, for rain, to halt a blizzard, to calm a storm, and once she finds a plague flag and puts Micaiah down far away from the settlement while she quizzes the healthier community members about their symptoms. Angels rarely catch the plague; she feels safe enough picking Micaiah up again so he can listen to her sing through the verse designated for each complaint (this for fever, that for cough, the other for the rash) and watch the pills fall to earth. The flag comes down and they continue home.
She keeps half an eye on Nathaniel, and quietly informs Baruch of the situation as well so he'll be mindful of the boy's potential sensitivities.
She falls into an assistant role with Delilah - nothing so formal as the situation she had with Linus, because Isabella would be living at the Eyrie either way, but Delilah sends her to greet visitors and has her take notes at meetings and occasionally even asks her opinion on questions about this or that.
And one morning, Isabella opens her door to leave her quarters and sing a pre-dawn duet with Serah - and the hallway is not there.
"Micaiah," she murmurs.
"There is supposed to be a hallway here," says Isabella, bewildered. "This looks like a bar. This isn't even the Eyrie."
She steps, slowly, as though afraid to put weight on the floor, but she goes in.
"What kind of place is this?" murmurs Isabella.
He looks an awful lot like Micaiah.
And when he spots them, he grins and waves.
"Sweet Jovah singing, it's - did you have a twin - he's not dedicated, Jovah wouldn't have known -" Isabella asks, reaching for Micaiah's hand to comfort her when in the past this gesture has more been for the transfer of comfort in the other direction.
"Hi!" he says, beaming at both of them. "You're new, aren't you? You must be new."
"We've never been here before," Isabella says, looking between the snake holding the milkshake and the unstrange stranger's face with unbalanced tentativeness. "It's... not where my door is supposed to go. Where are we? Who are you? Why do you look like Micaiah?"
"You're at Milliways!" he says. "Lemme guess, your name's some version of Isabella? You can call me Kas. And there's somebody upstairs I bet you wanna meet."
"...I'm Isabella. How did you know that?" demands Isabella. "What is going on?"
"It's a magic bar," says the snake. "It brings people from different worlds together. Our girlfriend's upstairs and she's another one of you, wanna meet her?"
After she processes what, exactly, the snake has said, she says, "...Another one of me?"
Isabella rubs at one of her temples where a headache is being born, still eyeing the talking snake warily. "Why are there several of anyone?"
"If you're not coming to meet our Isabella, I'm going to get her," says Petaal.
"I'll - meet her - but why would different worlds have copies of people on them with talking snakes, or - anything?" asks Isabella, stepping further into the bar to follow where they lead. "We were carried to Samaria from another world, but not in such a way that I would expect copies of our ancestors to produce copies of us over the years."
"Different kinds of 'world'," says Petaal, turning her head to watch back over Kas's shoulder as he sets off toward the stairs.
Up the stairs she goes.
She hasn't let go of Micaiah's hand.
"Sweetie, sweetie, I found more of us!"