A biblical scene derived from Exodus 4:21, featuring an ancient Middle Eastern man, identified as Moses, preparing to return to the land of Egypt, his face set in determination. He holds in his hands unseen wonders given by an omnipresent divine power. In the distance, the silhouettes of ancient Egyptian architecture, possibly the palace of Pharaoh, are visible under a vast desert sky. The atmosphere is tense; there's an air of ominous foreboding, hinting at Pharaoh's hardened heart. This scene should be rendered in a modern digital art style, using vivid colors and crisp lines, conveying the drama, emotion and grandeur of the moment.