Ancient robot awakening in a mossy underground chamber

An ancient, moss-covered automaton slowly awakens in a forgotten subterranean chamber, illuminated by shafts of ethereal light filtering from above. Strange, glowing flora surrounds it. The atmosphere is one of quiet mystery and dormant power. This is rendered as a dark fantasy concept art piece, heavily influenced by the intricate environmental designs of H.R. Giger and the atmospheric mood of Zdzisław Beksiński, with a photorealistic digital painting style.