The Supreme King, a pivotal figure in Yu-Gi-Oh! Gx initially emerges as a formidable antagonist, significantly altering the series' dynamics. However, a dramatic plot twist unveils a profound connection between him and the protagonist, Jaden Yuki, that surpasses expectations. Gifted with the power to command Duel Monster Spirits, he instills fear as a tyrant in all who cross his path. The anime series unveils the Supreme King as the previous incarnation of Jaden Yuki, akin to Atem and Yugi.

Unlike Atem and Yugi's symbiotic relationship, the Supreme King and Jaden's connection is complex. They share a similar goal, wanting to defeat the Light of Creation, but hold opposite values. Where the Supreme King is cruel and monstrous, willing to slay anyone who gets in his way of achieving his goal, Jaden is a hero who wants to enjoy dueling with his friends. Jaden, however, takes a darker mindset as Dueling becomes far more dangerous,...