The Wall of Destiny is a stone wall located in the Gelfling ruins and holds an ancient Gelfling prophecy. The prophecy stated that at the time of the next Great Conjunction, a Gelfling would heal the Dark Crystal reuniting the Skeksis and Mystics into the UrSkek. Jen, sent on a quest by his dying master to heal the crystal, and Kira, whom he met along the way, discover the prophecy still written on the Wall of Destiny. Knowing his mission, Jen heals the crystal and restores balance to Thra.