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Only the ones in the bunker remained, knocked unconscious by the blast.
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Just as they were about to finish the project, the bombs went off, killing most of the cult who did not escape to shelter. Convincing some of the military leaders, the Genestealer Cult was able to secure themselves a military research bunker dedicated to harnessing nuclear power to enhance Tyranid strains (which was kept secret from the government, as all the members in charge of the project were converted). Having learned of the nuclear technology, the Genestealers sought to utilize it for their own ends. The Tyranids quietly infiltrated society, converting people into cult members, they even got a number of military commanders and scientists. Due to a rift in the Warp in the 40k universe, a very small group of Genestealers ended up in the Commonwealth before the bombs dropped. (Glowing Sea or maybe in the South swampy parts of the map, idk). The Tyranid Bio-Exoskeleton is a specially crafted suit designed by Tyranid Genestealer Cultists in a secret pre-war military bunker located somewhere in the Commonwealth
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Obviously, this is based off the Tyranids from Warhammer 40k, unfortunately I have no modding experience of any sort, so I figured to put the suggestion here for any of you curious. So I had this idea of creating an armor outfit called the "Tyranid Bio-Suit/Exoskeleton".
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