Kirby's Duel Role

Tiff and Tuff get a letter from Metoknight, and it says he wants to have a duel with Kirby. Durring the duel between Kirby and Metoknight, Kirby uses Pysco Attack but Metoknight is too strong, and it does nothing. Kirby gets badly defeated. Kirby falls asleep. But then, Kirby strikes back and turns in to Sword Kirby, and defeats Metoknight.