Donnie Yen's John Wick: Chapter 4 fight gets high marks from a stuntman, who explains why the scene works so well. After three previous installments, Keanu Reeves returns as the titular assassin for Chad Stahelski's fourth entry in the popular action franchise, doing battle against the High Table as his quest for freedom continues. The John Wick: Chapter 4 cast includes a number of newcomers, including Yen as Caine, a blind assassin who was once Wick's friend.
https://screenrant.com/john-wick-4-donnie-yen-action-scene-expert-explained/
