chute, perte, ruine
It's the downfall of the Occident.
C’est le déclin de l’Occident.
— The Legacy of the Siren (2012)
Poor decisions contributed to their downfall.
De mauvaises décisions ont contribué à leur chute.
It'll be your downfall.
Ce sera ta perte.
— City of God (2002)
Your arrogance will be your downfall!
Votre arrogance causera votre perte !
And see his face when he learns who he owes his downfall to.
Et voir son visage lorsqu'il apprendra à qui il doit sa chute.
His arrogance led to his downfall.
Son arrogance a causé sa chute.