The next portal led Luna and her friends to the Crystal Caverns, a dazzling realm hidden beneath the roots of the Friendship Tree. The caverns sparkled with crystals of every color, illuminating a subterranean world of beauty.In this realm, they encountered Crystalia, the Guardian of Gems. Crystalia explained that the crystals held the memories of the magical meadow, and each one had a unique story to tell. However, a powerful crystal, the Heartstone, had lost its glow, dimming the memories of the meadow.Eager to restore the Heartstone's brilliance, Luna and her friends embarked on a quest to find the Crystal Keys scattered throughout the caverns. Each key unlocked a memory, revealing tales of laughter, kindness, and the unbreakable bonds that wove the fabric of the meadow.Their journey was not without challenges. The caverns echoed with riddles and puzzles, testing the friends' wit and teamwork. Milo's mischievous cleverness, Bella's musical intuition, Oliver's wi...