Abandoned Cathedral | relighting

Relighting of Abandoned Cathedral grabbed from FAB:
https://www.fab.com/listings/65a30aeb-8d8f-41c7-af2b-b1bc3db929c3
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I tried to achieve some mystical, fantasy look with a bit of cinematic vibe. Also wanted to express the beauty of gothic architecture contained in this level.
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I applied Open Color IO to this project, tried to test the consistency between viewport, render and gameplay mode. All works fine.
PBL values. I used here one Post Process Volume for establishing whole level Exposure (other one for Color Grading only). No local PPV for interior. Exposure Compensation Curve do the work. Ultra Dynamic Weather for rain effect and sound. Color Grading based on my personal taste.
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Lumen, Lumen, VSM, no raytraced shadows