Pathfinder 1E - tell me about the unique fiends of pathfinder?

That's a rather broad question; are ou asking about what other categories of evil planar creatures Pathfinder has, besides the usual demons/devils/daemons/demodands? Because other than divs and asuras, there's qlippoths and onis, along with evil creatures that already existed but Pathfinder expanded upon, such as rakshasas and kytons.

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