Thanks, I was getting confused because the OP asked about rooting on KitKat.
I'm talking about the method in the other thread I linked to. With that method you Kingo root on Jelly Bean 4.3 MJ4 and when you upgrade to KitKat 4.4.2 MAB you're still rooted. It is a workaround until Kingo works on KitKat.
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