Scifi undead cthulu sentinel, revenant, a hulking brute, massive body with massive chest and scary plates all over the body, long massive heavy arms, legs are shorter, very wide shoulders, a real tank, multilayered, anatomical sci fi bio suit, , massive hands with massive power claws, glowing tech symbols all over the suit, a huge engine like backpack or power generator connected to the armor, evil and sinister, detailed face, extremely detailed, high resolution texture, epic stance, inspired by HR Giger, muted natural colors, distressed textures. well balanced high frequency details,