[quote=@Darlit Glitch]
<Snipped quote by Efficacy>

What would they need to do this and how might it be undone then?
[/quote]

It would probably have to be area-based. The Red Magic can work with vectors like location and velocity and may be able to make instantaneous movement prohibitively expensive. But I haven't learned that magic yet. It's a risk, but probably not that much of one.