[At first, Ariadne was a little startled by the sudden release of her hand. Her anchor had suddenly disappeared and she glanced over at him just as he wrapped his arms around her. The security she felt being so closely and securely held pushed that panic slowly from her mind. She carefully settled a hand on his back, re-anchoring herself in the reality that was the Barge. Or, as close to reality as she could get. She nodded against his chest, regaining her breath much quicker than the last time a train had torn through her walls.]

It's just a flood.