[ he's reluctant to turn his back on a Mage, even a fake vision of one, but Jack whirls around to face Waver anyway. this guy is so frustrating! what kind of person just sighs and accepts this kind of thing? ]

Then who cares?! Screw Sanctuary! [ he reaches out with his unarmed hand to grip Waver's shoulder; even through cloth, his touch is cold. ] You're not stuck there anymore, Waver, this guy doesn't mean anything. Leave idiots like this to me.

[ with a promise of violence in his voice. Magi like this one Waver is scared of must be the types he talked about, and they're the ones that have been making the Homunculi, that refuse to drop the experiments at the cost of all else. Jack still fully intends to do something about the Homunculi's situation, and if that means taking these guys on— well, this illusion isn't doing much to convince him that it would be a bad thing. ]