Future Thorn: I’m — uh, worried about the paradox if I say —
Acai: Present-me knows that you’re here. Which means future-me knew that you left.
Either she deliberately sent you back without basic-safety stealth magic . . .
. . . or she left a device, charged and unguarded, where you could “steal” it.
Has future-me finally gone full Time Villain? I know if I wanted to smash history . . . You are exactly the sort of rock I’d start chucking at it.