He's expecting something all right, but when he reaches a point where he thinks he can turn and look without immediately being pummeled, he has to acknowledge the sheer resourcefulness behind what she just did.

"Nice." And he means it, but that doesn't mean he's going to let those things catch up to him. He could use a little target practice; fist-sized fireballs shoot through the air to meet her fist-sized globules of water.

... At least, the first few. The rest get a sweeping wave of fire aimed at them.