User blog comment:Asfidyll/Kaymon, the Shadow Beast/@comment-10958553-20131210215803/@comment-10253076-20131211094129

Basically it acts like Lee Sin's abilities. Except retargeted. Nightfall is point blank, and while it's active, you can press E again, and retarget an enemy to grab it by the jaws. Sort of like a second cast on a different target