I found these stands in the game. I’m on mission 2 and looking for the skills, without YouTube, and I keep finding these things that look like skills but they are blue, or black, and they look like mini Aliens from the Alien franchise. I’ve tried googling it and it keeps bringing up Halo Merch
Sounds a bit like the Xenomorph easter egg:
https://www.youtube.com/watch?v=OqyREsumfKE
https://www.youtube.com/watch?v=1PFJusjWvR8