https://civitai.com/models/384344/edlritch-abominations-eg-necromorphs
Lora to make necromorph style eldritch abominations. and yes you can have sex with them, obviously. weight 1 is fine, trigger words are monster,necromorph,eldritch abomination.
I test and make most of my lora example images in atomix pony xl
https://civitai.com/models/340158/atomix-pony-xl
