[ Caster is a hell of a mage, in Geralt's opinion. He can barely get this world's magic to cooperate with him, even though every Coven witch who's assessed him has insisted he's got aptitude. (Maybe it's because he doesn't want aptitude.) The runework is as impressive as it is effective. ]

Look at it this way: your sky's already gone. You might see the real stars again, though, if you make the jump underground.

[ Because the Resistance runs missions outside the wall, and outside the cloudy dome over the city that blacks out the full moon and everything else along with it. Yet one more mystery of Morgana's questionable engineering. ]

Mm. I can take you. But you have to be sure.