Onk Bak 2 and Tony Jaa... yeah... that is the BOMB!

High level stuff, no doubt. I absolutely love him, Jackie Chan, Donnie Yen, Michelle Yeoh, Jet Li and many others.
That being said--it's important to remember a few things about filmed work (some of which, of course, applies to live work as well):
* Timing is SOOOooooo important! The fighters must actually work "together" (does that sound odd) to achieve the feeling that everything is occurring "logically", and that no one is (generally)
waiting to get hit.
* You will rarely ever see what's on "the cutting room floor"... that is to say--how many takes/shots/tries they made that DIDN'T work or didn't look right... in order to get the "perfect" shot for each action sequence. What you can appreciate for CERTAIN... is if they do a very LONG, unedited shot... consisting of 15+ moves/actions or more--in which case you know that they REALLY did an excellent amount of work!
* Editing is the action filmmaker's friend.
Excellent editing is the action filmmaker's GODSEND! No matter what, even professionals will make mistakes, and they can rarely do 20+ actions/moves without making a mistake, especially when there are complicated acrobatics, martial arts and wild costumes/weapons involved. In that case, editing becomes VERY important in order to maintain the "contiguous" feel of everything... so that your mind BELIEVES that the whole scene is taking place all at once, all at the same time, no "breaks" in the action
* Training YOUR body (mine, yours, anyone's) to the level that Tony Jaa is at... takes YEEEEEAAAARRSS!! And also luck + talent + hard work "behind the scenes".
* Finally, you all may not know this, but... it's actually the NON-STAR actors that can make the action star look reeeeaaallly good! They have to do the right amount of preparation/waiting/timing to be in the ideal position for (in this case) Tony Jaa to look good. And sometimes... they have to get hit, too!
Really get hit. Not super hard, but... yeah... sometimes it happens (sometimes, it's even called for). So... the supporting performers REALLY have to help make the star look good too.
All this is not to discredit an action star's hard work... on the contrary, it just shows that more than one factor is going into the "movie fight" where multiple opponents are coming after one guy.
If I had to sum it all up in a single word... it would have to be "timing". Everyone getting the timing down so precisely--it flows like water, looks like magic... and achieves the result: the ILLUSION of "deadly combat".
