[As Hux continues, he'll hear Ren's footsteps above him, heading towards and eventually down the stairs. The knight keeps the connection open in case Hux has anything else to show him, but when he responds, it's with his physical voice.]

That's not a surprise. They seem to know little about our presence here.

[He's in his black robes minus the outer layer, gloved hand on the side rail as he steps down to the first floor.]

Whether they know how it works doesn't matter. If we can use them and our crystals to return... that's all we need.