LE SSERAFIM bringing K-pop energy to a gaming festival's main stage is exactly the sort of unexpected crossover that keeps live music interesting. There's something rather brilliant about a fresh single getting its live debut in front of thousands of gamers. It's the kind of moment that builds genuine buzz beyond the usual music-industry circles. If they managed to get a crowd of Blizzard fans on their feet, that's no small feat, and it says something about the track's immediate impact.