[The actuator does not allow it! But all it does is pull back, claw spinning a little. Otto's too focused on the exchange for much else to happen, though he quickly glances back towards the crowd.]

Not here. Come inside.

[He keys into the apartment building, holding the door open. This is obviously someone from the latest Confluence; letting him in here's fine. There's teleporter access in the main lobby, so Otto can even get him to the Diadem right from here!

He's not just gonna ship him off, though. May as well explain a little first.]

It's a titanium-niobium steel alloy. And you got here through a rift between dimensions - they call it a Confluence. I ended up here the same way.