Here's a summary of this video:

Part 1: The Reunion Chen unexpectedly meets Clouse again after a long time apart. Chen seems happy to see him, but Clouse is still upset about the past. They talk about old memories, from the Elemental Tournament to the downfall of their plans. Part 2: The Conflict Chen accuses Clouse of abandoning him. Clouse argues that Chen only used and manipulated him. Their conversation turns into a heated argument. This is where the "toxic relationship" aspect of the story becomes clear. Part 3:...