Jacob's face twists a little. Not like the ladder at all, in fact, but like his name. He has the chance to be petty when the bloke stops looking at his phone and comes back to the here and now.

"Cold- like a runny nose?"

Weird name and he's not exactly sure what he means when he says his fans, but he'll worry about that later.

He goes down the steps until he's waste deep in the water, and look back to see if his new acquaintance is coming with. "If you do half the work mate, sure."

And with that he takes a breath and dives down, following the submerged steps. Its quite a way, and he goes back up for air having gone down deeper and had a look. There's a corridor, lined with doors. They look shut fast, aside from one.