Instinctively, Rita's wings spring open and give a few heavy flaps, lifting her off the ground. Since she's been lingering near Yuya for the benefit of his shield, he's the one she makes a grab for, clutching his arm and taking off into the air. It'll start with a rough, potentially painful jerking motion, but soon she gets a moment to use her levitation magic to support both of them more comfortably as they float up above the approaching water.

"The hell is that!?" she hisses at the offending deluge as she stabilizes herself and Yuya.