Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
this build is great for takin people down fast. the down side is how squishy u r and if ur cc then its over so its good to never start the fights cause once they see how hard u hit they will begin to focus u. if possible ulti in cause it will help ur team and put u right were u want u. then use ur duskbringer skill on ur target followed by unspeakable horror and shroud of darkness. usually its over by this time