Kaelyn has a significant past with Sylvie, marked by a violent confrontation during a Midsummer solstice rite. He is associated with a powerful eldritch entity, which Rhys states he has control over, saying, "Kaelyn had its leash."
Kaelyn confronted Sylvie about their shared history and the consequences of their previous actions. During a tense exchange, he called out to Sylvie, engaging in a heated argument about the past, including Sylvie's death and the "gift of the Life Beyond" that Kaelyn claims to have given her.
Kaelyn's demeanor reflects confidence and authority, demonstrating his awareness of his power and willingness to confront others about their past decisions. His ability to control or placate the eldritch creature emphasizes his strength and influence.