Envision a dazzling underground cathedral, its walls shimmering with ethereal crystals that reflect vibrant hues of blue and pink light. Above, a high ceiling arcs like a dreamscape, adorned with intricate anime-style characters, their cheerful expressions radiating joy. Suggestions of lush greenery peek through the crystal formations, adding a touch of life. The atmosphere is alive with magic, inviting all who enter to bask in its enchanting glow.