I don't know what to call this? (tell me in the comments)

Prompt: A colossal, ancient stone chest rests half-buried in the shifting sands of a desert oasis at twilight. Intricate carvings of forgotten constellations adorn its weathered surface, glowing faintly with an internal, mystical energy. The air shimmers with heat, and a lone, gnarled acacia tree casts a long shadow over the scene. This is rendered in the style of epic fantasy matte painting, with dramatic lighting and a sense of profound mystery, evoking the works of John Howe and Alan Lee, captured with a wide-angle lens for a grand, cinematic feel.