An isometric dark fantasy war room in an Underdark fortress with glowing red runes, a central red crystal, forge, and large iron door.

Create a 100x75 ft. war room in an Underdark fortress, viewed isometrically. The floor is dark granite, scarred with boot marks, glowing red runes. A 5x5 ft. stone table (mid-left), with battle maps, iron figurines, glowing red crystal, lit by torches. A 5x5 ft. iron ballista (top-center), loaded, rusted but functional. The 10 ft. iron door (bottom-center), duergar-runed, flanked by 10 ft. warrior statues. Dark stone walls, 15 ft. high, with black banners, weapons. The vaulted ceiling is jagged rock. Smoky air, forge clangs echo. Colors: grays, blacks, reds. Atmosphere: militaristic, industrial. Style: dark fantasy, gritty. See more