[Pyrrha also continues on until her body is submerged; the water-level rising up to her chest... But then, she stops. She would prefer to continue on until the water comes up well above her chest, but...]

O-oh... [Pyrrha blinks, as a thought occurs to her.] I forgot...

[An uneasy expression as she awkwardly averts her gaze; admitting-] ...I... never learned how to swim.