[It wasn't a difficult topic to find more information on. In all honesty, Mikasa would have been much happier if it was easier to avoid. But go into the Coven, they ask. Go into a dream, they try and match-make you with some unbonded witch.]

I've been here for four months. When I arrived it was winter and there was snow... [She just lifts and arm to gesture slightly to the whole...lack of snow, the sunshine. It was nice and warm. Please ignore that there's more dark shell visible when her arm movement tugs her shirt.] I've been told that time is frozen when we come here.

[Guess Jean was proof of that?]