Audio problem: When villain says "Well done, I'm impressed" the words don't match what he says and are a clear overdub. (00:34:10)
Audio problem: When Jet Li is using the frying pans as weapons at the start, he hits different people in different places on the body, but gets the exact same sound. (00:05:40)
Answer: The words of their chant are "Beware, beware, walk with care. Careful what you do. Or Mumbo Jumbo's gonna hoo-doo you. Mumbo Jumbo's gonna hoo-doo you. Boomlay, boomlay, boomlay, boom!" This comes directly from a poem titled "The Congo" by poet Nicholas Vachel Lindsay ("The Congo and Other Poems"), specifically the lines at the end of part I.
Super Grover