changing augmentations

It's really not worth it, it's just about an EMP grenades worth of damage that drains a lot of your own energy to use.

I don't know how to remove augmentations and they don't stack. You're better off enabling cheats, using the "legend" command to warp to the map(s) you wanna try it out on, and then just type "allaugs".
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The Oracle would like to know the last joke you heard.
Je Suis "Aware"

I prefer the easier way of dodging milbots, which is looking at the ground when you go by. Bots are programed to only move when you look at them, so wait until they go past and stare at your shoes while you cross the hall.
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I ain't the kinda man to hold my tongue, but sometimes I'm the only one
Even if you'll be where I'm from, you'll never know a Soul like Khan