Defeating a Fleshmass Nucleus requires preparation. It is not a standard raid; it is a siege.
If you decide the risk is too great, you can Release the nucleus from its platform and have a drafted pawn destroy it to gain . Fleshmass nucleus - RimWorld Wiki rimworld fleshmass nucleus
The air on Zephyr-3c had always tasted of rust and regret. But three days ago, it started tasting sweet . Defeating a Fleshmass Nucleus requires preparation