Amidst the jubilation, a mysterious prophecy came to light, foretelling an era of upheaval that would test Eldoria's newfound unity. The prophecy spoke of a mythical artifact, the Heartstone, said to grant unimaginable power to its possessor. Rumors spread that it had resurfaced, and with it, the potential to either restore or shatter the peace that Alice and Arnold had worked so hard to achieve.