Osmium enters the City of the Dead adventure as the guide they need, and she already has history with Sinbad. Her first greeting makes it pretty obvious that he isn't getting a clean introduction with someone who's only heard the flattering stories about him.
She's an archer, and she knows the way to the underground destination connected to the Crown of Anubis. That gives her an immediate reason to be part of the expedition. Sinbad needs her knowledge, regardless of how comfortable their reunion happens to be.
She's also accompanied by her dog, Zawj. Those details help her arrive as somebody with a life of her own. She hasn't been waiting around for the captain to give her a place in his story.
The earlier crew members share the experience of being freed from Orland. Osmium comes in through a different connection, so I wouldn't put her into that original group of captives. Her presence expands the crew's relationships rather than repeating the same origin for everybody.
And having someone who already knows Sinbad means his charm isn't the whole conversation. Whatever he says now has to exist alongside the impression he made before they met again.
Osmium enters the City of the Dead adventure as the guide they need, and she already has history with Sinbad. Her first greeting makes it pretty obvious that he isn't getting a…
· Comics / Grimm Universe