A vast flock of spiked birds and a mountain-shaped fortress

Futuristic sci-fi, large flock of millions of black and neon-yellow birds with claws and spikes, supermassive mountain-shaped fortress tower with urban infrastructure, spooky horrific mountain terrain with yellow streams of lava, dead plants, withered trees, nightmare monster appearance, dark yellow sky, nighttime, cybernetic technology, in black with yellow neon LED lights, higher dimension, yellow space background full of cosmic storms, divine atmosphere, vast darkness of the void, yellow bioluminescence from outer space.

Watermark, red, blue, navy blue, baby blue, green, orange, teal, lime, pink, purple, white, gray, brown, silver, violet, ugly, deformed, noisy, blurry, distorted, static, terrible graphics, out of focus, bad anatomy, extra limbs, poorly drawn face, poorly drawn hands, missing fingers, nudity, nude, NSFW, disproportionate, out of place.