Spoiler
So it was taking the minds of the ships it was taking over and not just destroying them or whatever, which is what I assumed it was doing.
PS, I love
Spoiler
when he describes the 1 warship attacking the older fleet of warships, and scanning them all and trying to find the leader and whatnot, then letting them go after destroying a couple, scanning everything to see what is going on and what is wrong with him (if anything), then it mentions the entire thing took 8 miliseconds.