However, their greatest challenge lay within. The prophecy also spoke of a cost: for the heroes to succeed, one would have to bear the weight of the other's power, essentially becoming a vessel for the other's essence. This revelation tested their trust and resolve. Upon reaching the site where the Devouring Shadow was to make its impact, Gloryholeswallow and Xia Celestial prepared for their ultimate test. In a display of unity and sacrifice, they combined their powers. Gloryholeswallow swallowed the essence of Xia Celestial's sword, amplifying its power, while Xia Celestial channeled the raw magical energy of Aethoria through Gloryholeswallow.