Capture the horrifying presence of a reptilian artialien, reminiscent of Starcraft's Zerg, as it stealthily stalks behind an unsuspecting hiker on a secluded forest trail. Emphasize the intricate details of the alien's terrifying features, including its grey, chitinous skin, six glowing red eyes, detailed portrait, slender body, long limbs, and large, menacing teeth. Portray the alien as intelligent and possessing more alien-like characteristics. Set the scene in a dense forest, shrouded in darkness, to enhance the eerie and foreboding atmosphere. This prompt draws inspiration from the works of H.R. Giger, Salvador Dali, and the Zerg from Starcraft.