Trigon systematically breaks the spirits of the other Titans—Hawk, Dove, and Jason Todd—by forcing them to confront their deepest traumas and failures in nightmarish hallucinations.
The plan backfires when Gar, having survived, manages to reach Rachel. Empowered by her love for her friends, she finally embraces her heritage, manifesting the iconic chakra gemstone on her forehead and banishing her father back to his dimension. Character and Series Evolution "Titans" Trigon(2019)
To manifest his full power on Earth, Trigon requires Rachel Roth's (Teagan Croft) heart to be broken. He achieves this by having a possessed Dick Grayson seemingly kill Beast Boy (Gar Logan), forcing Rachel to watch in horror. Trigon systematically breaks the spirits of the other
Titans season 2 premiere recap: Trigon - Entertainment Weekly she finally embraces her heritage