Cole probably had better things to do than pick fights with teenagers, but she'd asked, and she was cocky. How could he resist? He had no idea what she could do, given that half the people in this place were some sort of supernatural creature, but since she didn't know what he could do, he was cocky enough himself to think he likely had the upper hand here.
He'd changed into sweats and a tank-top before heading out to the trail head. It was tempting to just shimmer there and give her a hint about just what he could do, but, nah, why spoil the surprise.
"Rose, I take it?" he said when he came across the stretching girl.