Vanished? Beneath the cover of his helmet, a smile tugs at Boba's lips. He'd certainly tried. Still, the smile fades quickly enough when he remembers their current circumstances.

"Well, now I'm stuck here, the same as you," he mutters. And then: "Are you going to let me go?"

The clone isn't trying to restrain him anymore, after all. Boba could simply turn and bolt. The only reason he isn't, paradoxically enough, is because Echo isn't trying to stop him.