Bane was an admirable foe in The Dark Knight Rises, pushing Batman to his absolute limits with his sheer strength, but it was the way his mask actually works that made the DC villain even more impressive. The final installment of The Dark Knight trilogy had a lot of expectations to live up to, especially in the villain department, as the late Heath Ledger’s role as the Joker in The Dark Knight is arguably the greatest comic book movie performance of all time. This is where Bane comes in, one of the most physically imposing Batman villains around.

https://screenrant.com/bane-dark-knight-rises-mask-christopher-nolan-explanation-stronger-explainer/