A purple alien landscape with a giant structure and a planet in the background

a mysterious ruined ancient alien structure made of black shiny alien metal with violet light emitting crystals engraved around it

sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, age spot, glans, watermark, username, signature, text