Happened several times, if you use Terrorize on an engaged enemy champ it does not work (the target becomes frightened but it does not move randomly nor it drains its AP). Last time it happened was in a skirmish, i used Terrorize with my Flagellum of Chains to a Darkmarsh Concealer and even tho it became frightened it did not move nor lose AP, the Darkmarsh was engaged by a Daggerpede.
