Most brutal fight scenes

[Tien Long]

Also, we can't talk about brutal fight scenes without diving into Indonesian action cinema:

The Raid:

https://www.youtube.com/watch?v=OYjdcgPWg0Q
https://www.youtube.com/watch?v=fMeqLriA4q4

The Night Comes for Us:

https://www.youtube.com/watch?v=u3H_PA_8ejk
https://www.youtube.com/watch?v=ihPnDVMeEsQ

Honestly, I don't consider The Night Comes For Us as a martial arts film, but more of a horror film. Damn, the amount of blood and brutality in that film was nuts! Felt a little queasy. Fight scene between Iko Uwais and Joe Taslim was cool though.

[Steel Inquisitor]

Counts in real life, too, since Chloe bennett did this with a broken arm.

[marshal88]

hammer girl and baseball bat guy in the raid II

https://www.youtube.com/watch?v=alADc_JX96A
https://www.youtube.com/watch?v=hi9w6knb5Mc

tony jaa in tom yum goong continous camera shot
https://www.youtube.com/watch?v=Bqw369ZskMk