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Noise Engineering, for sure. I would start with either the Loquelic Iteritas Percido or the Cursus Iteritas Percido. Both of these modules are complete voices and aren't in any need of other modules (except a sequencer) to get you into the sonic territory that you are seeking. And when you add modulation, you will totally pee yourself. They are expensive, but would actually be less expensive than the several multiple modules it would take and cost you to get even close to what either one of these can do.
Have fun on your journey....