His films repeatedly explore existential despair and suicide as inevitable consequences of confronting life's meaninglessness, most notably in 'The Seventh Seal' and 'Persona'.

He unflinchingly depicts suicide and death through visceral, non-linear narratives that force viewers to confront the psychological spirals leading to self-destruction, as in 'Irréversible' and 'Enter the Void'.

His work examines suicide and mortality with profound humanism and restraint, exploring how death interconnects lives and relationships in films like 'After Life' and 'Like Father, Like Son'.