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A colossal alien stag towering above a vast mirror-like salt lake beneath a storm-darkened night sky. The creature stands on impossibly long skeletal limbs that stretch high above the landscape, its reflection perfectly mirrored in the still black water below. Tiny human explorers stand near its feet, emphasizing the immense scale of the creature. The stag lowers its head and gazes directly at the humans. Its face is elongated and skull-like, neither aggressive nor hostile, but ancient, unreadable and deeply unsettling. Completely black lifeless eyes contain no pupils, no glow and no visible emotion. The expression suggests an unknowable intelligence observing something insignificant. The body appears centuries old, composed of weathered decaying flesh, exposed sinew, fibrous tissue and ancient biological growths. Dark crimson, charcoal, muted violet and grey-purple tones dominate the body. Organic textures appear naturally aged and eroded by time rather than diseased. Subtle veins of dim bioluminescence trace beneath the flesh, barely visible in places. Enormous branching crystalline antlers formed from weathered translucent mineral growths emerge organically from the creature's decayed flesh. The transition from flesh to crystal is gradual and natural, as though the antlers have grown from the body over thousands of years. Deep sapphire, cobalt and pale cyan tones are embedded within the crystal structure. Subtle bioluminescence is trapped beneath the crystal surface, creating faint internal illumination rather than an external glow. The antlers are primarily physical crystalline structures, not light sources. The antlers resemble ancient fossilised coral formations, weathered geological structures and naturally occurring mineral deposits. No neon lighting, no magical aura, no energy effects, no electrical arcs. The crystalline antlers act as the primary local light source. Soft sapphire and cobalt light shines downward from the antlers onto the creature's head, shoulders and upper torso. The blue illumination gently catches the tops of exposed sinew, weathered flesh, bone-like structures and hanging organic fibres. Subtle blue highlights appear along the upper edges of the forelegs, joints, tendons and hooves. The illumination is strongest nearest the antlers and gradually fades down the body. Strong self-shadowing is present beneath the antlers, neck, ribcage and torso. Deep shadows gather beneath hanging flesh, within recessed anatomical structures and between the legs. The underside of the creature remains primarily dark, creating dramatic contrast between illuminated upper surfaces and shadowed lower forms. The lighting emphasises the creature's scale, texture and skeletal structure. The antler illumination appears physically accurate and volumetric rather than magical. The blue light is absorbed, scattered and reflected naturally by flesh, crystal and water surfaces. Subtle blue reflections appear in the water beneath the creature. The crystal antlers remain dim and integrated into the creature rather than appearing neon or self-luminous. A vast realistic supercell storm system spans the horizon. Multi-layered cumulonimbus cloud formations stretch into the distance with natural atmospheric perspective, wind-sheared upper cloud layers, realistic cloud stratification and subtle rain curtains beneath the storm front. Rare distant lightning occasionally illuminates portions of the cloud deck, revealing realistic textures and depth. The sky feels meteorologically accurate and grounded in reality rather than surreal or fantastical. Real-world storm photography reference. National Geographic weather photography realism. No bubble-like clouds, no stylised cloud formations, no jigsaw-shaped cloud structures, no fantasy skies, no cosmic nebula effects. The landscape stretches endlessly into darkness with no buildings, no vegetation and no signs of civilisation. The stag remains visible through atmospheric lighting while the surrounding world fades into shadow. Soft mist gathers around the lower legs. The water remains perfectly calm, producing an undisturbed mirror reflection of both the creature and the storm. Deep shadow pools beneath the torso, between the legs and under the neck. Pronounced ambient occlusion creates dramatic darkness in all recessed areas. The contrast between the cool blue overhead illumination and the nearly black undersides enhances the creature's monumental scale and skeletal anatomy. The upper body receives subtle sapphire edge-lighting, while the lower half descends into darkness. The crystal antlers provide only faint internal luminescence, subtly catching edges of nearby surfaces and creating gentle colour variation within the creature. The body remains predominantly dark and weathered. Reflections stretch across the still water, preserving every detail of the stag's silhouette. Soft blue reflections ripple faintly beneath the hooves and lower limbs. Volumetric light filters throu