Shungokusatsu, Japanese for Instant Hell Murder, is the signature super move of Akuma in Street Fighter, first introduced with the character in Super Street Fighter II Turbo in 1994. The attack became one of fighting games' most feared finishers because it bypasses blocking and ends a round in a single flash, and its distinctive sound has followed Akuma through later Street Fighter titles, crossover games, and countless fan edits. It remains a shorthand for an unstoppable, fight-ending power that needs no explanation.