This accent comes from Symphobia, a cinematic orchestral sample library created for composers scoring film, television and games, where short suspense stabs are used to punctuate dramatic moments. Libraries like this made full orchestral sounds accessible outside a recording studio, so editors and creators began lifting individual hits for YouTube videos, trailers and short-form content. The stab survives because it instantly reads as serious and cinematic, giving even a small edit the weight of a movie trailer without needing a full score.