It's only by Irahl's incredible powers of self-control that throttles down his own chuckling to sound like he's trying to be genuinely helpful as he floats closer. He's within the danger-zone now, but he's hoping that Vincent will be too busy drowning and punching Robin to grab onto him instead.

"Want me to check?"

He knows it's just pondweed, but if Vincent wants him to check for monsters under the proverbial bed, he 'll dive down and take a look.