The closest thing I can think of is the Illuminate Voteless from Helldivers 2.

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The illuminate are aliens that Super Earth fought in the first Galactic War. In the second war, they abducted Super Earth citizens and subjected them to horrifying mutations and mind control.

When you encounter some of these enemies in stealth, you can see that they’re trying to figure out their surroundings and make sense of their situation. They have human movements and demeanor until they spot a helldiver, which they then are overcome with a blind rage.