This is amazing! A great start - makes you wonder what are Andy's previous experiences with volcanos. I love that she had to pretend to be injured.
I love your OCs, I'm glad they got out I really hope they make it to Britain)

> It had been a long time since Andromache had considered anywhere to be her true home, but she knew Quintus was right. A home, a place that you loved and lived for years and where you had friends and family—that would surely be difficult to leave. The thought of leaving Quynh and Lykon, the people closest to her and who she considered family, and never seeing them again was enough to make her heart hurt, and she thought it must be the same thing.

Oww, my heart. This was beutiful.

> Somehow, it gave Andromache a small amount of peace to know she could never have brought all of Pompeii away from the danger. She had brought some of them out of the city, at least.

I honestly can't pick a favorite between this sentence and the previous one. It's so nice to see her more accepting of her limits.

Great work! Can't wait to see the other parts! Thank you so much for filling it!