This was my best failed attempt so far, after aroud 11 hours on this challenge. The stealth trick for round 3 is a huge help. Starting to work out a strat for Round 4 as well. The thing I have to figure out is how to wipe out the flying shotgun robots, ideally spawn kill them before they can spread out. I tried shooting one of the spawns with an LFE but not sure if it worked, or if it was the right spawn. I did kill the 2 Bias by grouping them together in a corner, with the LFE , I believe. I was able to unload all 6 rockets on them, killing them both. The idea is to try to hit both of them with each rocket for a double kill. The rocket refill is right by the area where I set up the grouping.
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