This is the Way the World Ends... (S02E02)

The Beast Planet sets its sights on Fire, prompting Graveheart and Tekla to race against time to locate the world engines. During the assault, Graveheart is injured while rescuing prince Pyrus, leading the Grand Vizier to witness this act of bravery and reassess his views on the outlanders. Although planet Fire ultimately faces destruction, the Grand Vizier makes a heroic sacrifice, telling Pyrus that his new allies are truly deserving. When Pyrus insists the Vizier should evacuate with the others for his guidance, the Vizier refuses, believing Pyrus is ready to lead. Instead, he uses the world engines to crash Fire into the Beast Planet’s claw, but the Beast Planet devours Fire, taking the Grand Vizier with it.