The Mangekyo Sharingan is an advanced form of the Sharingan in Naruto, the long-running anime and manga series created by Masashi Kishimoto, first introduced through Uchiha clan members who awaken it after profound loss. Activation sounds became popular online as short anime edits and AMVs reused the cue to mark a sudden surge in power, and the clip later spread across soundboards and short-form videos. It remains useful because the sound is instantly recognisable to anime fans even without dialogue or visuals.