how do you know this?
I came up with the rng element based ona comment from ed during an interview.. I will look see if I can find it..
im not saying im right, im just saying that was the impression I got of top tier mods from that one comment.
If you can find a source then I am happy to be proved wrong.
Given that the Engineers are being trailed as individually crafted, the use of RNG to determine the upgrades would be nonsensical. But perhaps you're right!