Kenny uses the "Silver Bullet" technique taught to him by Silver to take down Hawk, though the match was heavily influenced by a crooked referee paid off by Silver.
This refers to , Season 5, Episode 8, titled " Taikai " . This episode is a major turning point in the series as it features the high-stakes qualifying matches for the Sekai Taikai , the world’s most prestigious karate tournament. Key Highlights of the Episode [S5E8] Taikai
Despite the interference, both Cobra Kai and the joint Miyagi-Do/Eagle Fang dojos (fighting as Miyagi-Fang) are admitted into the Sekai Taikai. Kenny uses the "Silver Bullet" technique taught to
“If the referee hadn't been crooked, Sam wins the finals earlier, showing the strength of Miyagi-Do.” Reddit · r/cobrakai Sam wins the finals earlier