Create a hyper-realistic image of aliens with smooth, metallic skin

Create a hyper-realistic image of aliens with smooth, metallic skin, WITHOUT IMPERFECTIONS. The beings have bald heads and their bodies are covered with branches and roots that simulate hair., wide and intricate, similar to threads. The aliens look forward with a kind expression and a deep look.. In the image, There are between 5 and 7 individuals arranged in two rows: the front row is very focused, while the back row appears out of focus. The lighting is specular, coming from above, highlighting the details of its skin and the textures of the branches. The image must be in very high resolution, 4k, with an exceptional level of detail