A stunningly detailed old mansion nestled by a serene lake, captured in 8k ultra-high definition with flawless composition. The scene is intricately detailed and rendered with Octane, exuding a photorealistic quality that is both artistic and conceptually rich. Inspired by the styles of Greg Rutkowski, this image features cinematic lighting that highlights the textures and depth of the structure. The hyperrealistic rendering is trending on ArtStation, with a masterful use of depth of field that immerses the viewer into the scene, reminiscent of fine art photography.