MK serves as the main protagonist of this episode.
His training with the Monkey King and Macaque can be seen throughout it and his training with the two is important throughout the episode.
The Monkey King plays a prominent role in this episode.
He trains MK about being patient and focused more. However, after learning that MK was being trained by Macaque, he saves MK and engages in a fight with Macaque while reminding MK of his training, allowing MK to defeat Macaque.