He takes the hint and happily walks forward into the cavern, finally coming to a stop once he's certain England has plenty of room to exit behind him. Prussia is standing at the base of a particularly tall crystal that slants gently up towards the ceiling. His inner adventurer with bad ideas wants to climb that crystal until he gets up to the top, then find another place to climb until he can reach the hole in the ceiling, but thankfully the voice of reason wins out for once.

Well, that, and he doesn't want England to pitch a fit. Nor does he plan on falling and breaking his neck any time soon.

So instead Prussia turns to face the island, grinning widely. "This is so awesome!"