He didn't want to let her, not for a moment--but he knew better. Business--test, training..whatever this was. Trunks needed to focus, and they needed to be figure out where they were.

"They are far more than just lightsticks, and far more impressive." Reverently, with a hint of grin, but now he was cold. She wore less than he did and had to be cold. Looking up and studying the grates and pullies, then back to the floor as he moved to examine it.

Trying to connect it all, and nodding to himself, before coming to her. Touching her shoulder gently. "We can follow the water, or go back the way we came." Noticing her shivering, and she might notice him frown although he was just as soaked as she was.