Complex sentence: Filkins punches Drillbit, who continues to take punches without a fight until a rogue kid says hes not a minor and he beats Filkins up within seconds with a mixture of throws, kicks, and punches.
Split into simpler sentences: Filkins punches Drillbit, who continues to take punches without a fight. When Drillbit discovers that Filkins is not a minor, he beats Filkins up within seconds with a mixture of throws, kicks, and punches.