Jacob emerges, soaked to the skin and grinning ear to ear. There is something down there, a lot of somethings. The only problem is those doors, the water, and how long they can hold their breath for.

"Yes yes, I'm sure." He replies, because Jacob also possesses those skills. Normally brute force will work, but there used to be lock picks in his coat for a reason.

"Another ten feet or so the steps end. Long corridor, big solid doors on each side. Everything looks locked up tight. Apart from one, doors partially open, inside probably flooded to the ceiling, so this will be our only air pocket."

As he speaks, he moves, coming to sit on the lowest step. He's not about to dry out, and he's not cold yet.

"We could come back later with equipment, or we can try with what we've got on hand. Up to you, brains."