58 days, if you want to be exact. But it's long enough to get bored with this place. [He wouldn't doubt the fact that they could be looking at her. If there's people in the world that can control fire and water, why not plants too? But unless the topic comes up naturally, he won't bother to press it.]
This prison is underwater on a planet that you weren't on before. No one has been able to escape purposefully so far, but some people do end up disappearing. Acumen is the warden of the prison, but it's a computer, so speaking with it is rarely useful. Everything in the prison is free for the inmates to use. But last time this many inmates appeared in a single day, they were all gone the next. You may have nothing to worry about.