Flash has been a core summoner spell in League of Legends since the early years of the game, letting every champion blink a short distance on a long cooldown. Because almost every player takes it, its activation sound became one of the most familiar cues in MOBA culture, heard constantly in ranked games, pro play, streams, and highlight montages. Korean players call it jeommyeol, and clips using the effect spread widely on gaming soundboards where it is reused for instant escapes and surprise repositioning jokes outside the game too.
About this sound
The League of Legends Flash sound effect from the summoner spell players use to instantly blink away, escape danger, chase a kill, or dodge a skillshot.
This is the distinct activation sound of Flash, the most picked summoner spell in League of Legends. It plays as a short, sharp magical whoosh with a bright pop as your champion instantly blinks a short distance in the direction of your cursor. There is no voice line or music, just the clean teleport effect that cuts through lane noise. In a fight it reads instantly as commitment or escape, which is why viewers recognise it even without seeing the screen and why editors use it to sell a sudden disappearance or reposition.