Poll Suggestion: Most Devastating Movie

When the Wind Blows

The Day After

Leaving Las Vegas

Another three to consider. :D

@Breumaster​ 

Fight Club

The Father

Amour

Seven

A Clockwork Orange

Eyes Wide Shut

Honourable Mentions:

Parasite

Psycho

City of God

The Pianist

American History X

Born on 4th of July

The Shining

American Beauty

Oldboy

The Hunt

Reservoir Dogs

Full Metal Jackes

A very good example:

Downfall

Thanks for all the suggestions!

@olisilumea​ 

Your welcome. :D