HD-2D pixel-art background concept for a side-scrolling a...

HD-2D pixel-art background concept for a side-scrolling action RPG, one single 16:9 gameplay room, camera tilted about 30 degrees from above, back wall meets a clearly walkable lower floor at mid-height, low ceiling and cramped scale. Crisp deliberate pixel clusters with simplified background detail; no UI, no labels, no readable text. Visual identity: an ancient human oath-ring workshop buried under frozen tundra, smooth ivory-white porcelain machinery fused with pale dusky flesh, dark sickly-pink tissue, bile-yellow pools, muted diseased-green shadows, underlighting from below and hard cool highlights on porcelain. Restrained contrast; no purple and no bright-red gore. Scene: an old containment laboratory where masked cultists feed pale blue-white cold ember through porcelain pipes into restrained ancient creatures inside sealed glass vessels; show a clear ritual machine layout, tense and non-graphic.