The Dragon Prince Season 4, Episode 8, titled "Rex Igneous," follows the main characters to the Earth Dragon's lair to locate Aaravos's prison. The episode focuses on Callum and Rayla attempting to earn the dragon's favor, culminating in a reveal interrupted by antagonists Viren and Claudia. For more details, visit TV Tropes . The Dragon Prince S4E8 "Rex Igneous" Recap - TV Tropes