4x2 - Fist of the North Star

While infiltrating one of Ken-oh's enlistment groups, Kenshiro confronts Glen the Killer Machine, a man raised to be a fighting machine. After Ken defeats Glen, Glen renounces his evil ways only to be betrayed by his master David, who has his men to kill Glen. David and his men flee from Ken, only to be slaughtered by Hyui and his Wind Brigade, who then challenges Ken to a sparring match.