User blog comment:Typhron/Not what you think: Nocturne/@comment-217.121.187.123-20121105082942

"That being said never use this ability to initiate a teamfight. Assassination is Nocturne's specialty, not initiation."

I have to disagree here. I once played against a Nocturne using his ult early every teamfight. They kept winning the teamfights becuase we just had no idea where everyone was.