Sky Doom Citadel (Very Large / End-...

Sky Doom Citadel (Very Large / End-Game) A massive sky citadel floating high in the air. The structure has eight floors, each floor containing multiple separate closed rooms. Floors are connected by staircases and internal corridors. Include large throne halls, arena-style chambers, and side rooms on different levels. The design should look extremely powerful, dark, and legendary. The structure must be fully solid, detailed, massive in scale, and completely built without gaps.