>doing an isolationist hive run, borders closed, minimal to no treaties
>two neighbours are fairly normal if pissy I'm a hermit kingdom
>third neighbour is a devouring swarm that's already eaten two or three other empires completely
>notice the swarm is absolutely BTFO'ing one of my neighbours and may soon have four separate fronts to attack me from
>hurl my fleet into the swarm and start glassing and conquering their planets before siphoning the pops to my own worlds
>eventually my once-neighbour white peaces, I tidy up the border with fewer chokepoints to worry about before white peacing and transferring the new systems to their original owner
>set stance back to isolationist, but leave the border with them open
>fast forward 50 years, the swarm's back for round two and fucking blitzes my neighbour into oblivion
>mfw I just wanted to take the L-Cluster and fuck off from galactic affairs entirely
I'm going to conquer these cunts, glass their worlds and turn their drones into my new slave caste - I liked those fucking plants.

Drop autocannon, give its backpack to a friend to reload you. Choose flak mode.
See what happens!