Kain had never met Cole, not being at Skyhold at the time he was here before. So he has no recollection of him anyway when he appears. At the moment, he does seem to be in need of some help, as he's frustratedly crossing out something he's writing. Clearly something isn't going quite right. He glances up as the younger man shows up.

"Wha- Oh. I didn't notice you approaching. Did you want something?"