User blog comment:Emptylord/Custom Champion - Ebonmaw the Terror of Zaun/@comment-4708818-20130101214016/@comment-4708818-20130101220209

PS: I just read from Ezreal himself: "I could see an ability like this used sparingly (i.e. not as a passive). Perhaps an ultimate which allows a champion free reign over terrain for a short period of time.", found here.