Neon Portal at the Cyber Fortress

An imposing fortress carved from black basalt and weathered stone sits on a rain-slick cliff beneath a stormy sky. In the fortress wall, a colossal circular portal glows with electric cyan and magenta, framed by ornate cybernetic arches and etched circuitry. Inside the ring, holographic glyphs swirl and a core-like vortex pulses, while data streams drip from the rim as if the gateway is alive. In the foreground, a lone cybernetically augmented guard stands, cloak snapping in the wind, visor reflecting the portal. Behind the fortress, a sprawling neon cyberpunk city climbs the hillside: chrome towers, holographic ads, drones, and airships weaving between spires. Wet stone and metal textures shimmer with reflections from the portal’s glow. The composition is cinematic with dramatic backlighting, volumetric fog, and shallow depth of field—focus on the glowing portal while the city blurs into a neon haze. Style: hyper-detailed 3D render, cinematic cyberpunk concept art, photorealistic yet crisp, 8k-ready.