Do Fallen Factory Guardians Spawn In 90 Places, Like Molten Heights?

Title
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i can't seem to find any fallen factory peeps in corkus
so im wondering

 

I found a Fallen Factory Key Guardian just outside Corkus City, nearby the large hole in the ground with 'steam' rising out of it.

Key Guardians are pretty uncommon though. It may take quite a while to find one.

 

mm
i found one there too, but can't find any more since then

 

I've found most Key Guardians have a 'Habitat' (Corrupt Lost Sanctuary chickens often spawning in the middle of the Canyon of the Lost, for example). If you find one, you're likely to find another if you look around or wait for a bit.

 

yea
i've found 3 more in the geyser pits

 

I'm more curious where corrupted sand swept and underworld crypt spawn

 

corrupted sand swept can spawn in those geyser pits
fallen facotry guys spawn there as well

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near the boss altar