User blog comment:Brabroke/Urf - Anguish of the Rift/@comment-4696002-20120402141818/@comment-125.81.19.182-20120403025959

Dota's R deal physical damage, the ghosts can attack many times, high duration, work on towers, fixed damage and heal.

Urf's R does not.

So i guess hes more like Ahri's W, no?

Also, death prophet's R is so Warcraft 3 inspired