[And another one, she's doing her best to keep herself calm and just smile through it. Even if she might be showing a little more teeth than necessary to be a kind gesture.]

Necromancers do more than that, darling. But it could be a relative that died for some reason or another and it wasn't just and they want to find out the cause for it to help others or catch their murderer. Things like that. They rarely stay alive that way, though, from what I've read and heard so it's just short periods of time.