A mech holding an emerald sword, the background is desert in a retrofuturistic style, concept art in the style of Atey Ghailan and James Gilleard, low angle shot, closeup of the mecha body with a hightech design in a celshading style, light teal and dark gray flat colors, bold shapes, a digital painting with brush strokes, sharp edges, simple details, hkmecha, super realistic, ultra detailed, amazing quality