[And that bit gets Ven's attention, because he at least knows what that's supposed to mean.]

Ohhhh, I get it now. You really are from the past - from when Sora was still asleep in here. [It's a time for him when the memories are more jumbled than any other, but he knows what that means.] He's not anymore - Roxas merged back with him. He needed that part of himself to wake up. It's over.

[Still, he gets the feeling she's not going to believe him without seeing for herself, so he holds out his hand to the side and summons his own Keyblade, flipping it around so he's not holding it in his usual backhand style.]

Come on, I'll show you. But keep your eyes open, I think Heartless and Nobodies are more common on this world than some of them.