Talk:V1.0.0.142/@comment-197.226.162.148-20120707013053/@comment-1915726-20120707031637

That means if the one received Chrono Shift has scored or assisted the kill, Zilean will receive assist credit as well. Casting Chrono Shift has some tactical meaning in a team fight that changes the opponents strategy and/or the initiation target, even if the CS isn't activated eventually.