A fantasy dwarven kingdom inside a vast mountain cavern, illuminated by a bright lightning-bolt crack in the ceiling, with stone buildings, a fountain, and glowing blue crystals.

A vast dwarven kingdom carved inside a colossal mountain cavern, illuminated by a giant lightning-bolt-shaped crack in the ceiling that floods daylight into the city below. The cavern is immense, cathedral-like, with jagged black stone walls veined with white crystal. Beneath the ceiling, a fully functional dwarven city spreads out — stone keeps, forges, barracks, carved homes, and market squares built seamlessly into the mountain walls. The architecture is sturdy, angular, and imposing, with carvings of dwarven runes and statues of ancient kings standing sentinel along the roads. At the heart of the city lies a grand central courtyard, the ceremonial square where speeches and festivals are held. In the center of this courtyard stands a stone fountain, its water catching the sunlight from above, scattering it like shards of crystal. Surrounding the courtyard are tiered balconies, banners bearing the crest of Iron Claw, and stairways cut directly into the rock. A protective wall encircles the outer edges of the city, with fortified gates leading into tunnels that stretch deep into the mountain. Outside the walls, patches of green grass and moss grow where the sunlight touches the stone, giving the underground realm a strange but vibrant contrast — a place both shadowed and alive. The atmosphere is grand, solemn, and timeless, filled with the sounds of hammering forges, echoing chants, and the murmurs of a people bound by stone and fire. The city is alive but heavy, as though See more