A breathtaking fantasy landscape co...

A breathtaking fantasy landscape concept art of the first layer of the Abyss from the anime Made in Abyss. A colossal, deep underground forest with gigantic, ancient tree trunks and lush, overgrown vegetation. Glowing bioluminescent mushrooms in cyan and magenta, thick mysterious mist, and small glowing spores floating in the air. Towering, sheer vertical rock walls surround the giant forest, with ancient, weathered stone ruins subtly carved into the cliffs. A sense of immense scale and depth, looking down into a hazy chasm. Atmospheric cinematic lighting, highly detailed, dark fantasy meets studio ghibli style, 8k resolution, masterpiece