The Crystal Exarch is a key figure in the Final Fantasy XIV universe, specifically within the Shadowbringers expansion. He serves as the leader of the Crystarium, a city in the First world, which is a realm affected by the Flood of Light. The Exarch is known for his wisdom and guidance, helping adventurers navigate the challenges posed by the Light and its influence. In his role, the Crystal Exarch is also a powerful Ascian, possessing significant magical abilities. He is deeply connected to the Crystal Tower, a structure that plays a crucial role in the game's lore. His character embodies themes of sacrifice and hope, as he strives to restore balance to the world.