gothic castle 3d model

Hyper-detailed dark fantasy gothic castle 3d environment diorama, open cross-section view showing both exterior and detailed interior, colossal black obsidian stone fortress, wide open vaulted archway entrance leading into a grand hall, visible interior featuring a black stone throne, polished tile floor, ribbed vault ceilings, and a spiral staircase, exterior with sharp jagged spires, iron gargoyles, crumbling balconies, glowing crimson rune inscriptions, high-detail stone relief carvings, isolated on plain neutral grey background, clean geometry, game environment asset style, 8k render, centered composition --no solid doors, flat walls, solid roof blocking view, landscape, foliage, trees, sky