[He raises his arms over his head with a loud pop.]

Then we wait for our esteemed Speaker to return with your sword. And I do plan to stay here with you until the end. I will be forcibly removed eventually.

But if it is all the same to you, I'm going to 'stretch'. This mortal form can be stifling.

[And his sigil will shine brightly before his face as his form swells under a purple cloud of mist. He offers a much larger eldritch arm for Vergil to curl and read on as they wait.]