What is the “triumph” referred to in the following sequence of actions/lines?
Enter HAMLET behind, crossing the stage, reading a book – as he is about to disappear GUIL notices him.
GUIL [sharply]: Rosencrantz!
ROS [jumps]: What!
HAMLET goes. Triumph dawns on them, they smile.
GUIL: There! How was that!
ROS: Clever!
GUIL: Natural?
ROS: Instinctive.