Pyra, also known as the legendary Blade Aegis, is a pivotal character in Xenoblade Chronicles 2. As Rex's Blade, she is integral to the game's plot, embodying the power of fire and wielding formidable abilities to support Rex in battle. Pyra is gentle, compassionate, and determined, often encouraging Rex and guiding him on their journey to reach the fabled Elysium. Her mysterious past and connection to the antagonist add depth to her character, making her central to the story's unfolding and the ultimate fate of their world.