Lone skeleton warrior on an alien world at binary sunset

A lone skeleton warrior stands on a desolate alien planet, gazing at a binary sunset. The sky is a canvas of swirling nebulae and distant, glowing celestial bodies. The ground is littered with strange, crystalline formations. The style is dark and moody, with a cinematic feel, emphasizing the vastness and isolation of space, inspired by the atmospheric works of H.R. Giger and the detailed textures of mosaic art.