He chuckles, although (as is usual in these cases) giving attention to the piece of ice has wrapped the veins of his arm in stabbing frost. "Well, it might depend on whose definition of kindness, Gaav-dono. Kind and gentle aren't exactly inseparable, ne." For example, killing someone outright without taking them apart first is extremely kind by mazoku standards. But somehow, pointing that out doesn't seem like a good idea. "But what is it, then, that a humble shadow might do to warm such a surprising heart?"
There definitely is, but since his Guild worshiped L-sama, it should be bizarre. ;)