https://www.youtube.com/watch?v=H58M64Mbn8E , https://www.youtube.com/c/FadyOfficial/videos
The Black+Goo monster or entity has certainly been around in various Sci-Fi stories for a long time.
https://25yearslatersite.com/2019/12/26/black-goo-the-stuff-of-dreams
Skin_of_Evil is quite a monster episode.
https://memory-alpha.fandom.com/wiki/Skin_of_Evil_(episode)
https://en.wikipedia.org/wiki/Skin_of_Evil#Creature_effects
https://memory-beta.fandom.com/wiki/Skin_of_Evil
ARMUS (The Skin of Evil) STAR TREK EXPLORED https://www.youtube.com/watch?v=RDUHTGIqHOA
ARMUS: Star Trek Bestiary https://www.youtube.com/watch?v=fdRYLH-dlKc
https://ghostbusters.fandom.com/wiki/Black_Slime_Monster Sometimes it's not of a paranormal nature, but just a creepy. https://www.dailystar.co.uk/news/weird-news/black-slime-likened-venom-symbiote-21810247
https://paranormal-intersection.blogspot.com/search?q=Black+Goo
