Fall on (someone's) sword

Translation of "fall on (someone's) sword" into Russian

взять вину на (себя)

He decided to fall on his sword and resign to save the company from more scandal.

Он решил взять вину на себя и уйти в отставку, чтобы спасти компанию от дальнейшего скандала.

To voluntarily take responsibility for a failure or mistake, often by resigning or accepting blame, even if others were involved or more at fault.