Imhotep's flashback
That is the part that really scared me. Especially when I was a kid. The look on Imhotep's face as he's being wrapped is what gets to me the most. Also, as a black man, needless to say, it gets under my skin when the Nubian slaves are killed.
"There will be blood. Oh, yes, there WILL be blood."-Jigsaw; "Saw II"