Enchanted forest city where the trees shimmer in hues of emerald, lavender, and gold, nestled in a lush valley encircled by towering cliffs and cascading waterfalls. At its heart stands a colossal, ancient tree, its branches stretching wide and sheltering a city alive with whimsical energy. Atop the tree's grand canopy sits an opulent castle adorned with iridescent spires that touch the clouds, reflecting the rainbow-tinted light from the surrounding falls. The air is filled with the sound of rustling leaves and distant, joyful melodies as creatures of legend flit between the vibrant trunks and blooming flowers in an ever-changing dance of color and magic.