Just as she begins to thinks that she might be in over her head, she hears a whistle followed by words of encouragement. Utena looks over her shoulder to see a guy just around her age (maybe older? maybe younger? the hat makes it hard to tell) with a sword, and nods quickly as she we positions her oar.

"Hey, the more the merrier! Come on, let's do this!"

The revenant lunges forward again, or as forward as somebody can get when their head is twisted around. Utena dodges easily enough, and gives the head another solid WHACK, sending it stumbling back down into the lake.