Massive abandoned underwater glass cathedral submerged beneath crystalline ocean depths, towering vaulted ceilings with fractured stained glass windows, sunlight piercing through turquoise water illuminating floating dust particles and swaying sea plants, ancient marble statues covered in sea moss and coral growth, broken wooden pews and submerged altar, dramatic volumetric light rays filtering through collapsed domes, Unreal Engine 5 render with raytracing, global illumination. Reimagined as hand-drawn animation frame by frame, watercolor textures on weathered marble and sea glass, gouache backgrounds with deep ocean blue and soft aquamarine tones, visible ink brushstrokes on gothic architecture, melancholic ethereal mood, cinematic composition with strong vertical cathedral elements rising through glowing water, paper grain texture, traditional animation aesthetic --ar 16:9 --v 6